edit this statistic or download as text // json
Identifier
Values
=>
0=>0 1=>1 00=>0 01=>2 10=>1 11=>3 000=>0 001=>1 010=>2 011=>3 100=>1 101=>0 110=>3 111=>2 0000=>0 0001=>4 0010=>1 0011=>5 0100=>2 0101=>6 0110=>3 0111=>7 1000=>1 1001=>5 1010=>0 1011=>4 1100=>3 1101=>7 1110=>2 1111=>6 00000=>0 00001=>1 00010=>4 00011=>5 00100=>1 00101=>0 00110=>5 00111=>4 01000=>2 01001=>3 01010=>6 01011=>7 01100=>3 01101=>2 01110=>7 01111=>6 10000=>1 10001=>0 10010=>5 10011=>4 10100=>0 10101=>1 10110=>4 10111=>5 11000=>3 11001=>2 11010=>7 11011=>6 11100=>2 11101=>3 11110=>6 11111=>7 000000=>0 000001=>2 000010=>1 000011=>3 000100=>4 000101=>6 000110=>5 000111=>7 001000=>1 001001=>3 001010=>0 001011=>2 001100=>5 001101=>7 001110=>4 001111=>6 010000=>2 010001=>0 010010=>3 010011=>1 010100=>6 010101=>4 010110=>7 010111=>5 011000=>3 011001=>1 011010=>2 011011=>0 011100=>7 011101=>5 011110=>6 011111=>4 100000=>1 100001=>3 100010=>0 100011=>2 100100=>5 100101=>7 100110=>4 100111=>6 101000=>0 101001=>2 101010=>1 101011=>3 101100=>4 101101=>6 101110=>5 101111=>7 110000=>3 110001=>1 110010=>2 110011=>0 110100=>7 110101=>5 110110=>6 110111=>4 111000=>2 111001=>0 111010=>3 111011=>1 111100=>6 111101=>4 111110=>7 111111=>5 0000000=>0 0000001=>1 0000010=>2 0000011=>3 0000100=>1 0000101=>0 0000110=>3 0000111=>2 0001000=>4 0001001=>5 0001010=>6 0001011=>7 0001100=>5 0001101=>4 0001110=>7 0001111=>6 0010000=>1 0010001=>0 0010010=>3 0010011=>2 0010100=>0 0010101=>1 0010110=>2 0010111=>3 0011000=>5 0011001=>4 0011010=>7 0011011=>6 0011100=>4 0011101=>5 0011110=>6 0011111=>7 0100000=>2 0100001=>3 0100010=>0 0100011=>1 0100100=>3 0100101=>2 0100110=>1 0100111=>0 0101000=>6 0101001=>7 0101010=>4 0101011=>5 0101100=>7 0101101=>6 0101110=>5 0101111=>4 0110000=>3 0110001=>2 0110010=>1 0110011=>0 0110100=>2 0110101=>3 0110110=>0 0110111=>1 0111000=>7 0111001=>6 0111010=>5 0111011=>4 0111100=>6 0111101=>7 0111110=>4 0111111=>5 1000000=>1 1000001=>0 1000010=>3 1000011=>2 1000100=>0 1000101=>1 1000110=>2 1000111=>3 1001000=>5 1001001=>4 1001010=>7 1001011=>6 1001100=>4 1001101=>5 1001110=>6 1001111=>7 1010000=>0 1010001=>1 1010010=>2 1010011=>3 1010100=>1 1010101=>0 1010110=>3 1010111=>2 1011000=>4 1011001=>5 1011010=>6 1011011=>7 1011100=>5 1011101=>4 1011110=>7 1011111=>6 1100000=>3 1100001=>2 1100010=>1 1100011=>0 1100100=>2 1100101=>3 1100110=>0 1100111=>1 1101000=>7 1101001=>6 1101010=>5 1101011=>4 1101100=>6 1101101=>7 1101110=>4 1101111=>5 1110000=>2 1110001=>3 1110010=>0 1110011=>1 1110100=>3 1110101=>2 1110110=>1 1110111=>0 1111000=>6 1111001=>7 1111010=>4 1111011=>5 1111100=>7 1111101=>6 1111110=>5 1111111=>4 00000000=>0 00000001=>8 00000010=>1 00000011=>9 00000100=>2 00000101=>10 00000110=>3 00000111=>11 00001000=>1 00001001=>9 00001010=>0 00001011=>8 00001100=>3 00001101=>11 00001110=>2 00001111=>10 00010000=>4 00010001=>12 00010010=>5 00010011=>13 00010100=>6 00010101=>14 00010110=>7 00010111=>15 00011000=>5 00011001=>13 00011010=>4 00011011=>12 00011100=>7 00011101=>15 00011110=>6 00011111=>14 00100000=>1 00100001=>9 00100010=>0 00100011=>8 00100100=>3 00100101=>11 00100110=>2 00100111=>10 00101000=>0 00101001=>8 00101010=>1 00101011=>9 00101100=>2 00101101=>10 00101110=>3 00101111=>11 00110000=>5 00110001=>13 00110010=>4 00110011=>12 00110100=>7 00110101=>15 00110110=>6 00110111=>14 00111000=>4 00111001=>12 00111010=>5 00111011=>13 00111100=>6 00111101=>14 00111110=>7 00111111=>15 01000000=>2 01000001=>10 01000010=>3 01000011=>11 01000100=>0 01000101=>8 01000110=>1 01000111=>9 01001000=>3 01001001=>11 01001010=>2 01001011=>10 01001100=>1 01001101=>9 01001110=>0 01001111=>8 01010000=>6 01010001=>14 01010010=>7 01010011=>15 01010100=>4 01010101=>12 01010110=>5 01010111=>13 01011000=>7 01011001=>15 01011010=>6 01011011=>14 01011100=>5 01011101=>13 01011110=>4 01011111=>12 01100000=>3 01100001=>11 01100010=>2 01100011=>10 01100100=>1 01100101=>9 01100110=>0 01100111=>8 01101000=>2 01101001=>10 01101010=>3 01101011=>11 01101100=>0 01101101=>8 01101110=>1 01101111=>9 01110000=>7 01110001=>15 01110010=>6 01110011=>14 01110100=>5 01110101=>13 01110110=>4 01110111=>12 01111000=>6 01111001=>14 01111010=>7 01111011=>15 01111100=>4 01111101=>12 01111110=>5 01111111=>13 10000000=>1 10000001=>9 10000010=>0 10000011=>8 10000100=>3 10000101=>11 10000110=>2 10000111=>10 10001000=>0 10001001=>8 10001010=>1 10001011=>9 10001100=>2 10001101=>10 10001110=>3 10001111=>11 10010000=>5 10010001=>13 10010010=>4 10010011=>12 10010100=>7 10010101=>15 10010110=>6 10010111=>14 10011000=>4 10011001=>12 10011010=>5 10011011=>13 10011100=>6 10011101=>14 10011110=>7 10011111=>15 10100000=>0 10100001=>8 10100010=>1 10100011=>9 10100100=>2 10100101=>10 10100110=>3 10100111=>11 10101000=>1 10101001=>9 10101010=>0 10101011=>8 10101100=>3 10101101=>11 10101110=>2 10101111=>10 10110000=>4 10110001=>12 10110010=>5 10110011=>13 10110100=>6 10110101=>14 10110110=>7 10110111=>15 10111000=>5 10111001=>13 10111010=>4 10111011=>12 10111100=>7 10111101=>15 10111110=>6 10111111=>14 11000000=>3 11000001=>11 11000010=>2 11000011=>10 11000100=>1 11000101=>9 11000110=>0 11000111=>8 11001000=>2 11001001=>10 11001010=>3 11001011=>11 11001100=>0 11001101=>8 11001110=>1 11001111=>9 11010000=>7 11010001=>15 11010010=>6 11010011=>14 11010100=>5 11010101=>13 11010110=>4 11010111=>12 11011000=>6 11011001=>14 11011010=>7 11011011=>15 11011100=>4 11011101=>12 11011110=>5 11011111=>13 11100000=>2 11100001=>10 11100010=>3 11100011=>11 11100100=>0 11100101=>8 11100110=>1 11100111=>9 11101000=>3 11101001=>11 11101010=>2 11101011=>10 11101100=>1 11101101=>9 11101110=>0 11101111=>8 11110000=>6 11110001=>14 11110010=>7 11110011=>15 11110100=>4 11110101=>12 11110110=>5 11110111=>13 11111000=>7 11111001=>15 11111010=>6 11111011=>14 11111100=>5 11111101=>13 11111110=>4 11111111=>12 000000000=>0 000000001=>1 000000010=>8 000000011=>9 000000100=>1 000000101=>0 000000110=>9 000000111=>8 000001000=>2 000001001=>3 000001010=>10 000001011=>11 000001100=>3 000001101=>2 000001110=>11 000001111=>10 000010000=>1 000010001=>0 000010010=>9 000010011=>8 000010100=>0 000010101=>1 000010110=>8 000010111=>9 000011000=>3 000011001=>2 000011010=>11 000011011=>10 000011100=>2 000011101=>3 000011110=>10 000011111=>11 000100000=>4 000100001=>5 000100010=>12 000100011=>13 000100100=>5 000100101=>4 000100110=>13 000100111=>12 000101000=>6 000101001=>7 000101010=>14 000101011=>15 000101100=>7 000101101=>6 000101110=>15 000101111=>14 000110000=>5 000110001=>4 000110010=>13 000110011=>12 000110100=>4 000110101=>5 000110110=>12 000110111=>13 000111000=>7 000111001=>6 000111010=>15 000111011=>14 000111100=>6 000111101=>7 000111110=>14 000111111=>15 001000000=>1 001000001=>0 001000010=>9 001000011=>8 001000100=>0 001000101=>1 001000110=>8 001000111=>9 001001000=>3 001001001=>2 001001010=>11 001001011=>10 001001100=>2 001001101=>3 001001110=>10 001001111=>11 001010000=>0 001010001=>1 001010010=>8 001010011=>9 001010100=>1 001010101=>0 001010110=>9 001010111=>8 001011000=>2 001011001=>3 001011010=>10 001011011=>11 001011100=>3 001011101=>2 001011110=>11 001011111=>10 001100000=>5 001100001=>4 001100010=>13 001100011=>12 001100100=>4 001100101=>5 001100110=>12 001100111=>13 001101000=>7 001101001=>6 001101010=>15 001101011=>14 001101100=>6 001101101=>7 001101110=>14 001101111=>15 001110000=>4 001110001=>5 001110010=>12 001110011=>13 001110100=>5 001110101=>4 001110110=>13 001110111=>12 001111000=>6 001111001=>7 001111010=>14 001111011=>15 001111100=>7 001111101=>6 001111110=>15 001111111=>14 010000000=>2 010000001=>3 010000010=>10 010000011=>11 010000100=>3 010000101=>2 010000110=>11 010000111=>10 010001000=>0 010001001=>1 010001010=>8 010001011=>9 010001100=>1 010001101=>0 010001110=>9 010001111=>8 010010000=>3 010010001=>2 010010010=>11 010010011=>10 010010100=>2 010010101=>3 010010110=>10 010010111=>11 010011000=>1 010011001=>0 010011010=>9 010011011=>8 010011100=>0 010011101=>1 010011110=>8 010011111=>9 010100000=>6 010100001=>7 010100010=>14 010100011=>15 010100100=>7 010100101=>6 010100110=>15 010100111=>14 010101000=>4 010101001=>5 010101010=>12 010101011=>13 010101100=>5 010101101=>4 010101110=>13 010101111=>12 010110000=>7 010110001=>6 010110010=>15 010110011=>14 010110100=>6 010110101=>7 010110110=>14 010110111=>15 010111000=>5 010111001=>4 010111010=>13 010111011=>12 010111100=>4 010111101=>5 010111110=>12 010111111=>13 011000000=>3 011000001=>2 011000010=>11 011000011=>10 011000100=>2 011000101=>3 011000110=>10 011000111=>11 011001000=>1 011001001=>0 011001010=>9 011001011=>8 011001100=>0 011001101=>1 011001110=>8 011001111=>9 011010000=>2 011010001=>3 011010010=>10 011010011=>11 011010100=>3 011010101=>2 011010110=>11 011010111=>10 011011000=>0 011011001=>1 011011010=>8 011011011=>9 011011100=>1 011011101=>0 011011110=>9 011011111=>8 011100000=>7 011100001=>6 011100010=>15 011100011=>14 011100100=>6 011100101=>7 011100110=>14 011100111=>15 011101000=>5 011101001=>4 011101010=>13 011101011=>12 011101100=>4 011101101=>5 011101110=>12 011101111=>13 011110000=>6 011110001=>7 011110010=>14 011110011=>15 011110100=>7 011110101=>6 011110110=>15 011110111=>14 011111000=>4 011111001=>5 011111010=>12 011111011=>13 011111100=>5 011111101=>4 011111110=>13 011111111=>12 100000000=>1 100000001=>0 100000010=>9 100000011=>8 100000100=>0 100000101=>1 100000110=>8 100000111=>9 100001000=>3 100001001=>2 100001010=>11 100001011=>10 100001100=>2 100001101=>3 100001110=>10 100001111=>11 100010000=>0 100010001=>1 100010010=>8 100010011=>9 100010100=>1 100010101=>0 100010110=>9 100010111=>8 100011000=>2 100011001=>3 100011010=>10 100011011=>11 100011100=>3 100011101=>2 100011110=>11 100011111=>10 100100000=>5 100100001=>4 100100010=>13 100100011=>12 100100100=>4 100100101=>5 100100110=>12 100100111=>13 100101000=>7 100101001=>6 100101010=>15 100101011=>14 100101100=>6 100101101=>7 100101110=>14 100101111=>15 100110000=>4 100110001=>5 100110010=>12 100110011=>13 100110100=>5 100110101=>4 100110110=>13 100110111=>12 100111000=>6 100111001=>7 100111010=>14 100111011=>15 100111100=>7 100111101=>6 100111110=>15 100111111=>14 101000000=>0 101000001=>1 101000010=>8 101000011=>9 101000100=>1 101000101=>0 101000110=>9 101000111=>8 101001000=>2 101001001=>3 101001010=>10 101001011=>11 101001100=>3 101001101=>2 101001110=>11 101001111=>10 101010000=>1 101010001=>0 101010010=>9 101010011=>8 101010100=>0 101010101=>1 101010110=>8 101010111=>9 101011000=>3 101011001=>2 101011010=>11 101011011=>10 101011100=>2 101011101=>3 101011110=>10 101011111=>11 101100000=>4 101100001=>5 101100010=>12 101100011=>13 101100100=>5 101100101=>4 101100110=>13 101100111=>12 101101000=>6 101101001=>7 101101010=>14 101101011=>15 101101100=>7 101101101=>6 101101110=>15 101101111=>14 101110000=>5 101110001=>4 101110010=>13 101110011=>12 101110100=>4 101110101=>5 101110110=>12 101110111=>13 101111000=>7 101111001=>6 101111010=>15 101111011=>14 101111100=>6 101111101=>7 101111110=>14 101111111=>15 110000000=>3 110000001=>2 110000010=>11 110000011=>10 110000100=>2 110000101=>3 110000110=>10 110000111=>11 110001000=>1 110001001=>0 110001010=>9 110001011=>8 110001100=>0 110001101=>1 110001110=>8 110001111=>9 110010000=>2 110010001=>3 110010010=>10 110010011=>11 110010100=>3 110010101=>2 110010110=>11 110010111=>10 110011000=>0 110011001=>1 110011010=>8 110011011=>9 110011100=>1 110011101=>0 110011110=>9 110011111=>8 110100000=>7 110100001=>6 110100010=>15 110100011=>14 110100100=>6 110100101=>7 110100110=>14 110100111=>15 110101000=>5 110101001=>4 110101010=>13 110101011=>12 110101100=>4 110101101=>5 110101110=>12 110101111=>13 110110000=>6 110110001=>7 110110010=>14 110110011=>15 110110100=>7 110110101=>6 110110110=>15 110110111=>14 110111000=>4 110111001=>5 110111010=>12 110111011=>13 110111100=>5 110111101=>4 110111110=>13 110111111=>12 111000000=>2 111000001=>3 111000010=>10 111000011=>11 111000100=>3 111000101=>2 111000110=>11 111000111=>10 111001000=>0 111001001=>1 111001010=>8 111001011=>9 111001100=>1 111001101=>0 111001110=>9 111001111=>8 111010000=>3 111010001=>2 111010010=>11 111010011=>10 111010100=>2 111010101=>3 111010110=>10 111010111=>11 111011000=>1 111011001=>0 111011010=>9 111011011=>8 111011100=>0 111011101=>1 111011110=>8 111011111=>9 111100000=>6 111100001=>7 111100010=>14 111100011=>15 111100100=>7 111100101=>6 111100110=>15 111100111=>14 111101000=>4 111101001=>5 111101010=>12 111101011=>13 111101100=>5 111101101=>4 111101110=>13 111101111=>12 111110000=>7 111110001=>6 111110010=>15 111110011=>14 111110100=>6 111110101=>7 111110110=>14 111110111=>15 111111000=>5 111111001=>4 111111010=>13 111111011=>12 111111100=>4 111111101=>5 111111110=>12 111111111=>13 1010101010=>1 1010101100=>8 1010110010=>2 1010110100=>11 1010111000=>2 1011001010=>4 1011001100=>13 1011010010=>7 1011010100=>14 1011011000=>7 1011100010=>4 1011100100=>13 1011101000=>4 1011110000=>7 1100101010=>2 1100101100=>11 1100110010=>1 1100110100=>8 1100111000=>1 1101001010=>7 1101001100=>14 1101010010=>4 1101010100=>13 1101011000=>4 1101100010=>7 1101100100=>14 1101101000=>7 1101110000=>4 1110001010=>2 1110001100=>11 1110010010=>1 1110010100=>8 1110011000=>1 1110100010=>2 1110100100=>11 1110101000=>2 1110110000=>1 1111000010=>7 1111000100=>14 1111001000=>7 1111010000=>4 1111100000=>7 1111111110=>13 1111111101=>14 1111000001=>4 1110111110=>9 1110100001=>1 1110011110=>8 1110010001=>2 1110001001=>1 1110000101=>8 1101111110=>12 1101100001=>4 1101010001=>7 1101001110=>15 1101001001=>4 1101000101=>13 1100110001=>2 1100101001=>1 1100100110=>11 1100100101=>8 1100011001=>2 1100010101=>11 1100010010=>0 1100001000=>2 1011111110=>15 1011111101=>12 1011100001=>7 1011010001=>4 1011001001=>7 1011000101=>14 1010111110=>11 1010110001=>1 1010101001=>2 1010100110=>8 1010100101=>11 1010011010=>2 1010011001=>1 1010010110=>11 1010010101=>8 1010001110=>8 1001111110=>14 1001111000=>7 1001110100=>14 1001110001=>4 1001101100=>13 1001101010=>4 1001101001=>7 1001100110=>13 1001100101=>14 1001011110=>15 1001011010=>7 1001011001=>4 1001010110=>14 1001010101=>13 1001001110=>13 1000111110=>10 1000111100=>11 1000111010=>2 1000110110=>11 1000101110=>8 1000011110=>11 1000010110=>10 1000001110=>9 1000001010=>1 1000000110=>8 1000000100=>9 1000000010=>0 1000000000=>1 0111111111=>14 0111111101=>15 0111111001=>7 0111110001=>6 0111100001=>4 0111000001=>5 0110000001=>1 0100000001=>0 0000000001=>2 0111111011=>6 0111110101=>14 0111101001=>5 0111010001=>7 0110100001=>0 0101000001=>4 0010000001=>3 0101010101=>14 0101010011=>7 0101001101=>13 0101001011=>4 0101000111=>13 0100110101=>11 0100110011=>2 0100101101=>8 0100101011=>1 0100100111=>8 0100011101=>11 0100011011=>2 0100010111=>11 0100001111=>8 0011010101=>13 0011010011=>4 0011001101=>14 0011001011=>7 0011000111=>14 0010110101=>8 0010110011=>1 0010101101=>11 0010101011=>2 0010100111=>11 0010011101=>8 0010011011=>1 0010010111=>8 0010001111=>11 0001110101=>13 0001110011=>4 0001101101=>14 0001101011=>7 0001100111=>14 0001011101=>13 0001011011=>4 0001010111=>13 0001001111=>14 0000111101=>8 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010011111000=>9 010011110010=>9 010011011010=>9 010001111010=>9 010110100110=>5 010110111000=>15 010110110010=>15 010110011010=>15 010111101000=>5 010111100010=>5 010111001010=>5 010101101010=>5 010101010110=>15 010101011001=>9 010101011010=>12 010101011100=>15 010101100101=>3 010101100110=>6 010101101001=>0 010101101100=>6 010101110001=>9 010101110010=>12 010101110100=>15 010101111000=>12 010110010101=>9 010110010110=>12 010110011001=>10 010110011100=>12 010110100101=>0 010110101001=>3 010110101010=>6 010110101100=>5 010110110001=>10 010110110100=>12 010111000101=>3 010111000110=>6 010111001001=>0 010111001100=>6 010111010001=>9 010111010010=>12 010111010100=>15 010111011000=>12 010111100001=>0 010111100100=>6 010111110000=>12 011001010101=>15 011001010110=>10 011001011001=>12 011001011100=>10 011001100101=>6 011001101001=>5 011001101010=>0 011001101100=>3 011001110001=>12 011001110100=>10 011010010101=>12 011010010110=>9 011010011001=>15 011010011010=>10 011010011100=>9 011010100101=>5 011010100110=>0 011010101001=>6 011010101010=>3 011010101100=>0 011010110001=>15 011010110010=>10 011010110100=>9 011010111000=>10 011011000101=>6 011011000110=>3 011011001001=>5 011011001010=>0 011011001100=>3 011011010001=>12 011011010010=>9 011011010100=>10 011011011000=>9 011011100001=>5 011011100010=>0 011011100100=>3 011011101000=>0 011011110000=>9 011100010101=>9 011100010110=>12 011100011001=>10 011100011100=>12 011100100101=>0 011100101001=>3 011100101010=>6 011100101100=>5 011100110001=>10 011100110100=>12 011101000101=>3 011101000110=>6 011101001001=>0 011101001100=>6 011101010001=>9 011101010010=>12 011101010100=>15 011101011000=>12 011101100001=>0 011101100100=>6 011101110000=>12 011110000101=>0 011110001001=>3 011110001010=>6 011110001100=>5 011110010001=>10 011110010100=>12 011110100001=>3 011110100010=>6 011110100100=>5 011110101000=>6 011110110000=>15 011111000001=>0 011111000100=>6 011111010000=>12 001111000110=>5 001111001010=>6 100111001100=>5 001111001100=>5 001011010110=>9 001111010010=>15 100111010100=>12 001111010100=>12 000111010110=>12 001011011010=>10 100111011000=>15 001111011000=>15 100011011100=>9 010011011100=>10 001011011100=>9 000111011100=>12 000011011110=>9 001101100110=>5 001101101010=>6 100101101100=>5 001101101100=>5 001011100110=>0 001111100010=>6 100111100100=>5 001111100100=>5 010011101010=>0 001011101010=>3 100111101000=>6 001111101000=>6 000111101010=>6 100011101100=>0 010011101100=>3 001011101100=>0 000111101100=>5 000011101110=>0 101001110100=>9 001001110110=>9 001101110010=>15 100101110100=>12 001101110100=>12 000101110110=>12 001011110010=>10 100111110000=>15 001111110000=>15 100011110100=>9 010011110100=>10 001011110100=>9 000111110100=>12 000011110110=>9 110001111000=>9 101001111000=>10 001001111010=>10 100101111000=>15 001101111000=>15 100011111000=>10 001011111000=>10 000011111010=>10 010001111100=>10 001001111100=>9 000101111100=>12 000011111100=>9 100101010101=>9 100101011001=>10 100101100101=>0 100101101001=>3 100101110001=>10 100110010101=>10 100110101001=>0 100111000101=>0 100111001001=>3 100111010001=>10 101001010101=>12 101001101001=>6 101010011001=>12 101010100101=>6 101010101001=>5 101010110001=>12 101011001001=>6 101011100001=>6 101100010101=>10 101100101001=>0 101101000101=>0 101101001001=>3 101101010001=>10 101110001001=>0 101110100001=>0 110001010101=>15 110001011001=>12 110001100101=>6 110001101001=>5 110001110001=>12 110010010101=>12 110010011001=>15 110010100101=>5 110010101001=>6 110010110001=>15 110011000101=>6 110011001001=>5 110011010001=>12 110011100001=>5 110100010101=>9 110100011001=>10 110100100101=>0 110100101001=>3 110100110001=>10 110101000101=>3 110101001001=>0 110101010001=>9 110101100001=>0 110110000101=>0 110110001001=>3 110110010001=>10 110110100001=>3 110111000001=>0 111000010101=>12 111000101001=>6 111001000101=>6 111001001001=>5 111001010001=>12 111010001001=>6 111010100001=>6 111100000101=>0 111100001001=>3 111100010001=>10 111100100001=>3 111101000001=>0 10110111100000=>14 10111011010000=>14 10111011100000=>13 10111100110000=>4 10111101001000=>14 10111101010000=>13 10111101100000=>14 10111110000100=>2 10111110001000=>7 10111110010000=>4 10111110100000=>7 10111111000000=>14 11001111100000=>8 11011110000010=>4 11101101000010=>8 11101110000010=>1 11110011000010=>14 11110100100010=>4 11110101000010=>13 11110110000010=>4 11111000001100=>2 11111000010010=>4 11111000100010=>7 11111001000010=>14 11111010000010=>7 11111100000010=>4 1011110111000000=>12 1011111010100000=>6 1011111011000000=>5 1011111100010000=>10 1011111100100000=>15 1011111101000000=>12 1011111110000000=>15 1111011100000010=>12 1111101010000010=>6 1111101100000010=>15 1111110001000010=>6 1111110010000010=>5 1111110100000010=>12 1111111000000010=>5 111111110000000010=>13 101111111100000000=>13 111111101000000010=>4 101111111010000000=>14 111111100100000010=>7 111111011000000010=>13 101111111001000000=>11 101111110110000000=>13 11111111100000000010=>12 10111111111000000000=>12 11111111010000000010=>15 10111111110100000000=>9 1111111111000000000010=>14 1011111111110000000000=>8
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Description
The Grundy value for the game of ruler on a binary word.
Two players alternately may switch any consecutive sequence of numbers that ends with a 1. The player facing the word which has only 0's looses.
References
[1] Lugo, M. Sprague-Grundy sequence for the ruler game MathOverflow:39165
Code
def statistic(w):
    two_adic = Zp(2)
    res = 0
    for i, e in enumerate(w):
        if e == 1:
            res = res^^(2^ZZ((two_adic(i+1).ordp())))
    return res

# CodeLanguage: Sage, naive implementation
@cached_function
def statistic_alt(w):
    """Return the Grundy value of the binary word w for the ruler game.

    """
    def children(w):
        for i in range(len(w)):
            if w[i] == 1:
                for j in range(i+1):
                    yield w[:j] + tuple(1-w[k] for k in range(j,i+1)) + w[i+1:]

    l = [statistic_alt(tuple(v)) for v in children(tuple(w))]
    i = 0
    while i in l:
        i += 1
    return i
Created
May 01, 2017 at 07:36 by Martin Rubey
Updated
May 02, 2018 at 23:04 by Martin Rubey