Identifier
-
Mp00093:
Dyck paths
—to binary word⟶
Binary words
Mp00105: Binary words —complement⟶ Binary words
Mp00234: Binary words —valleys-to-peaks⟶ Binary words
St000877: Binary words ⟶ ℤ
Values
[1,0] => 10 => 01 => 10 => 0
[1,0,1,0] => 1010 => 0101 => 1010 => 0
[1,1,0,0] => 1100 => 0011 => 0101 => 1
[1,0,1,0,1,0] => 101010 => 010101 => 101010 => 0
[1,0,1,1,0,0] => 101100 => 010011 => 100101 => 1
[1,1,0,0,1,0] => 110010 => 001101 => 010110 => 1
[1,1,0,1,0,0] => 110100 => 001011 => 010101 => 1
[1,1,1,0,0,0] => 111000 => 000111 => 001011 => 2
[1,0,1,0,1,0,1,0] => 10101010 => 01010101 => 10101010 => 0
[1,0,1,0,1,1,0,0] => 10101100 => 01010011 => 10100101 => 1
[1,0,1,1,0,0,1,0] => 10110010 => 01001101 => 10010110 => 1
[1,0,1,1,0,1,0,0] => 10110100 => 01001011 => 10010101 => 1
[1,0,1,1,1,0,0,0] => 10111000 => 01000111 => 10001011 => 2
[1,1,0,0,1,0,1,0] => 11001010 => 00110101 => 01011010 => 1
[1,1,0,0,1,1,0,0] => 11001100 => 00110011 => 01010101 => 1
[1,1,0,1,0,0,1,0] => 11010010 => 00101101 => 01010110 => 1
[1,1,0,1,0,1,0,0] => 11010100 => 00101011 => 01010101 => 1
[1,1,0,1,1,0,0,0] => 11011000 => 00100111 => 01001011 => 2
[1,1,1,0,0,0,1,0] => 11100010 => 00011101 => 00101110 => 2
[1,1,1,0,0,1,0,0] => 11100100 => 00011011 => 00101101 => 2
[1,1,1,0,1,0,0,0] => 11101000 => 00010111 => 00101011 => 2
[1,1,1,1,0,0,0,0] => 11110000 => 00001111 => 00010111 => 3
[1,0,1,0,1,0,1,0,1,0] => 1010101010 => 0101010101 => 1010101010 => 0
[1,0,1,0,1,0,1,1,0,0] => 1010101100 => 0101010011 => 1010100101 => 1
[1,0,1,0,1,1,0,0,1,0] => 1010110010 => 0101001101 => 1010010110 => 1
[1,0,1,0,1,1,0,1,0,0] => 1010110100 => 0101001011 => 1010010101 => 1
[1,0,1,1,0,0,1,0,1,0] => 1011001010 => 0100110101 => 1001011010 => 1
[1,0,1,1,0,0,1,1,0,0] => 1011001100 => 0100110011 => 1001010101 => 1
[1,0,1,1,0,1,0,0,1,0] => 1011010010 => 0100101101 => 1001010110 => 1
[1,0,1,1,0,1,0,1,0,0] => 1011010100 => 0100101011 => 1001010101 => 1
[1,0,1,1,1,0,0,0,1,0] => 1011100010 => 0100011101 => 1000101110 => 2
[1,1,0,0,1,0,1,0,1,0] => 1100101010 => 0011010101 => 0101101010 => 1
[1,1,0,0,1,0,1,1,0,0] => 1100101100 => 0011010011 => 0101100101 => 1
[1,1,0,0,1,1,0,0,1,0] => 1100110010 => 0011001101 => 0101010110 => 1
[1,1,0,0,1,1,0,1,0,0] => 1100110100 => 0011001011 => 0101010101 => 1
[1,1,0,0,1,1,1,0,0,0] => 1100111000 => 0011000111 => 0101001011 => 2
[1,1,0,1,0,0,1,0,1,0] => 1101001010 => 0010110101 => 0101011010 => 1
[1,1,0,1,0,0,1,1,0,0] => 1101001100 => 0010110011 => 0101010101 => 1
[1,1,0,1,0,1,0,0,1,0] => 1101010010 => 0010101101 => 0101010110 => 1
[1,1,0,1,0,1,0,1,0,0] => 1101010100 => 0010101011 => 0101010101 => 1
[1,1,0,1,0,1,1,0,0,0] => 1101011000 => 0010100111 => 0101001011 => 2
[1,1,0,1,1,0,0,1,0,0] => 1101100100 => 0010011011 => 0100101101 => 2
[1,1,0,1,1,0,1,0,0,0] => 1101101000 => 0010010111 => 0100101011 => 2
[1,1,0,1,1,1,0,0,0,0] => 1101110000 => 0010001111 => 0100010111 => 3
[1,1,1,0,0,0,1,0,1,0] => 1110001010 => 0001110101 => 0010111010 => 2
[1,1,1,0,0,0,1,1,0,0] => 1110001100 => 0001110011 => 0010110101 => 2
[1,1,1,0,0,1,0,0,1,0] => 1110010010 => 0001101101 => 0010110110 => 2
[1,1,1,0,0,1,0,1,0,0] => 1110010100 => 0001101011 => 0010110101 => 2
[1,1,1,0,0,1,1,0,0,0] => 1110011000 => 0001100111 => 0010101011 => 2
[1,1,1,0,1,0,0,0,1,0] => 1110100010 => 0001011101 => 0010101110 => 2
[1,1,1,0,1,0,0,1,0,0] => 1110100100 => 0001011011 => 0010101101 => 2
[1,1,1,0,1,0,1,0,0,0] => 1110101000 => 0001010111 => 0010101011 => 2
[1,1,1,0,1,1,0,0,0,0] => 1110110000 => 0001001111 => 0010010111 => 3
[1,1,1,1,0,0,0,0,1,0] => 1111000010 => 0000111101 => 0001011110 => 3
[1,1,1,1,0,0,0,1,0,0] => 1111000100 => 0000111011 => 0001011101 => 3
[1,1,1,1,0,0,1,0,0,0] => 1111001000 => 0000110111 => 0001011011 => 3
[1,1,1,1,0,1,0,0,0,0] => 1111010000 => 0000101111 => 0001010111 => 3
[1,1,1,1,1,0,0,0,0,0] => 1111100000 => 0000011111 => 0000101111 => 4
[1,0,1,0,1,0,1,0,1,0,1,0] => 101010101010 => 010101010101 => 101010101010 => 0
[1,0,1,0,1,0,1,0,1,1,0,0] => 101010101100 => 010101010011 => 101010100101 => 1
[1,0,1,0,1,0,1,1,0,1,0,0] => 101010110100 => 010101001011 => 101010010101 => 1
[1,0,1,0,1,1,0,0,1,1,0,0] => 101011001100 => 010100110011 => 101001010101 => 1
[1,0,1,0,1,1,0,1,0,1,0,0] => 101011010100 => 010100101011 => 101001010101 => 1
[1,0,1,1,0,0,1,0,1,1,0,0] => 101100101100 => 010011010011 => 100101100101 => 1
[1,0,1,1,0,0,1,1,0,1,0,0] => 101100110100 => 010011001011 => 100101010101 => 1
[1,0,1,1,0,1,0,0,1,1,0,0] => 101101001100 => 010010110011 => 100101010101 => 1
[1,0,1,1,0,1,0,1,0,1,0,0] => 101101010100 => 010010101011 => 100101010101 => 1
[1,1,0,0,1,0,1,0,1,0,1,0] => 110010101010 => 001101010101 => 010110101010 => 1
[1,1,0,0,1,0,1,0,1,1,0,0] => 110010101100 => 001101010011 => 010110100101 => 1
[1,1,0,0,1,0,1,1,0,0,1,0] => 110010110010 => 001101001101 => 010110010110 => 1
[1,1,0,0,1,0,1,1,0,1,0,0] => 110010110100 => 001101001011 => 010110010101 => 1
[1,1,0,0,1,1,0,0,1,0,1,0] => 110011001010 => 001100110101 => 010101011010 => 1
[1,1,0,0,1,1,0,0,1,1,0,0] => 110011001100 => 001100110011 => 010101010101 => 1
[1,1,0,0,1,1,0,1,0,0,1,0] => 110011010010 => 001100101101 => 010101010110 => 1
[1,1,0,0,1,1,0,1,0,1,0,0] => 110011010100 => 001100101011 => 010101010101 => 1
[1,1,0,0,1,1,0,1,1,0,0,0] => 110011011000 => 001100100111 => 010101001011 => 2
[1,1,0,0,1,1,1,0,0,1,0,0] => 110011100100 => 001100011011 => 010100101101 => 2
[1,1,0,0,1,1,1,0,1,0,0,0] => 110011101000 => 001100010111 => 010100101011 => 2
[1,1,0,0,1,1,1,1,0,0,0,0] => 110011110000 => 001100001111 => 010100010111 => 3
[1,1,0,1,0,0,1,0,1,0,1,0] => 110100101010 => 001011010101 => 010101101010 => 1
[1,1,0,1,0,0,1,0,1,1,0,0] => 110100101100 => 001011010011 => 010101100101 => 1
[1,1,0,1,0,0,1,1,0,0,1,0] => 110100110010 => 001011001101 => 010101010110 => 1
[1,1,0,1,0,0,1,1,0,1,0,0] => 110100110100 => 001011001011 => 010101010101 => 1
[1,1,0,1,0,0,1,1,1,0,0,0] => 110100111000 => 001011000111 => 010101001011 => 2
[1,1,0,1,0,1,0,0,1,0,1,0] => 110101001010 => 001010110101 => 010101011010 => 1
[1,1,0,1,0,1,0,0,1,1,0,0] => 110101001100 => 001010110011 => 010101010101 => 1
[1,1,0,1,0,1,0,1,0,0,1,0] => 110101010010 => 001010101101 => 010101010110 => 1
[1,1,0,1,0,1,0,1,0,1,0,0] => 110101010100 => 001010101011 => 010101010101 => 1
[1,1,0,1,0,1,0,1,1,0,0,0] => 110101011000 => 001010100111 => 010101001011 => 2
[1,1,0,1,0,1,1,0,0,1,0,0] => 110101100100 => 001010011011 => 010100101101 => 2
[1,1,0,1,0,1,1,0,1,0,0,0] => 110101101000 => 001010010111 => 010100101011 => 2
[1,1,0,1,0,1,1,1,0,0,0,0] => 110101110000 => 001010001111 => 010100010111 => 3
[1,1,0,1,1,0,0,0,1,1,0,0] => 110110001100 => 001001110011 => 010010110101 => 2
[1,1,0,1,1,0,0,1,0,1,0,0] => 110110010100 => 001001101011 => 010010110101 => 2
[1,1,0,1,1,0,0,1,1,0,0,0] => 110110011000 => 001001100111 => 010010101011 => 2
[1,1,0,1,1,0,1,0,0,1,0,0] => 110110100100 => 001001011011 => 010010101101 => 2
[1,1,0,1,1,0,1,0,1,0,0,0] => 110110101000 => 001001010111 => 010010101011 => 2
[1,1,0,1,1,0,1,1,0,0,0,0] => 110110110000 => 001001001111 => 010010010111 => 3
[1,1,0,1,1,1,0,0,0,1,0,0] => 110111000100 => 001000111011 => 010001011101 => 3
[1,1,0,1,1,1,0,0,1,0,0,0] => 110111001000 => 001000110111 => 010001011011 => 3
[1,1,0,1,1,1,0,1,0,0,0,0] => 110111010000 => 001000101111 => 010001010111 => 3
>>> Load all 142 entries. <<<
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Description
The depth of the binary word interpreted as a path.
This is the maximal value of the number of zeros minus the number of ones occurring in a prefix of the binary word, see [1, sec.9.1.2].
The number of binary words of length n with depth k is \binom{n}{\lfloor\frac{(n+1) - (-1)^{n-k}(k+1)}{2}\rfloor}, see [2].
This is the maximal value of the number of zeros minus the number of ones occurring in a prefix of the binary word, see [1, sec.9.1.2].
The number of binary words of length n with depth k is \binom{n}{\lfloor\frac{(n+1) - (-1)^{n-k}(k+1)}{2}\rfloor}, see [2].
Map
valleys-to-peaks
Description
Return the binary word with every valley replaced by a peak.
A valley in a binary word is a subsequence 01, or a trailing 0. A peak is a subsequence 10 or a trailing 1. This map replaces every valley with a peak.
A valley in a binary word is a subsequence 01, or a trailing 0. A peak is a subsequence 10 or a trailing 1. This map replaces every valley with a peak.
Map
to binary word
Description
Return the Dyck word as binary word.
Map
complement
Description
Send a binary word to the word obtained by interchanging the two letters.
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