Identifier
- St001517: Permutations ⟶ ℤ
Values
=>
[1]=>0
[1,2]=>1
[2,1]=>1
[1,2,3]=>1
[1,3,2]=>1
[2,1,3]=>1
[2,3,1]=>1
[3,1,2]=>1
[3,2,1]=>1
[1,2,3,4]=>2
[1,2,4,3]=>2
[1,3,2,4]=>2
[1,3,4,2]=>2
[1,4,2,3]=>2
[1,4,3,2]=>1
[2,1,3,4]=>2
[2,1,4,3]=>2
[2,3,1,4]=>2
[2,3,4,1]=>1
[2,4,1,3]=>2
[2,4,3,1]=>2
[3,1,2,4]=>2
[3,1,4,2]=>2
[3,2,1,4]=>1
[3,2,4,1]=>2
[3,4,1,2]=>2
[3,4,2,1]=>2
[4,1,2,3]=>1
[4,1,3,2]=>2
[4,2,1,3]=>2
[4,2,3,1]=>2
[4,3,1,2]=>2
[4,3,2,1]=>2
[1,2,3,4,5]=>2
[1,2,3,5,4]=>2
[1,2,4,3,5]=>2
[1,2,4,5,3]=>2
[1,2,5,3,4]=>2
[1,2,5,4,3]=>2
[1,3,2,4,5]=>2
[1,3,2,5,4]=>2
[1,3,4,2,5]=>2
[1,3,4,5,2]=>2
[1,3,5,2,4]=>2
[1,3,5,4,2]=>2
[1,4,2,3,5]=>2
[1,4,2,5,3]=>2
[1,4,3,2,5]=>2
[1,4,3,5,2]=>2
[1,4,5,2,3]=>2
[1,4,5,3,2]=>2
[1,5,2,3,4]=>2
[1,5,2,4,3]=>2
[1,5,3,2,4]=>2
[1,5,3,4,2]=>2
[1,5,4,2,3]=>2
[1,5,4,3,2]=>2
[2,1,3,4,5]=>2
[2,1,3,5,4]=>2
[2,1,4,3,5]=>2
[2,1,4,5,3]=>2
[2,1,5,3,4]=>2
[2,1,5,4,3]=>2
[2,3,1,4,5]=>2
[2,3,1,5,4]=>2
[2,3,4,1,5]=>2
[2,3,4,5,1]=>2
[2,3,5,1,4]=>2
[2,3,5,4,1]=>2
[2,4,1,3,5]=>2
[2,4,1,5,3]=>2
[2,4,3,1,5]=>2
[2,4,3,5,1]=>2
[2,4,5,1,3]=>2
[2,4,5,3,1]=>2
[2,5,1,3,4]=>2
[2,5,1,4,3]=>2
[2,5,3,1,4]=>2
[2,5,3,4,1]=>2
[2,5,4,1,3]=>2
[2,5,4,3,1]=>2
[3,1,2,4,5]=>2
[3,1,2,5,4]=>2
[3,1,4,2,5]=>2
[3,1,4,5,2]=>2
[3,1,5,2,4]=>2
[3,1,5,4,2]=>2
[3,2,1,4,5]=>2
[3,2,1,5,4]=>2
[3,2,4,1,5]=>2
[3,2,4,5,1]=>2
[3,2,5,1,4]=>2
[3,2,5,4,1]=>2
[3,4,1,2,5]=>2
[3,4,1,5,2]=>2
[3,4,2,1,5]=>2
[3,4,2,5,1]=>2
[3,4,5,1,2]=>2
[3,4,5,2,1]=>2
[3,5,1,2,4]=>2
[3,5,1,4,2]=>2
[3,5,2,1,4]=>2
[3,5,2,4,1]=>2
[3,5,4,1,2]=>2
[3,5,4,2,1]=>2
[4,1,2,3,5]=>2
[4,1,2,5,3]=>2
[4,1,3,2,5]=>2
[4,1,3,5,2]=>2
[4,1,5,2,3]=>2
[4,1,5,3,2]=>2
[4,2,1,3,5]=>2
[4,2,1,5,3]=>2
[4,2,3,1,5]=>2
[4,2,3,5,1]=>2
[4,2,5,1,3]=>2
[4,2,5,3,1]=>2
[4,3,1,2,5]=>2
[4,3,1,5,2]=>2
[4,3,2,1,5]=>2
[4,3,2,5,1]=>2
[4,3,5,1,2]=>2
[4,3,5,2,1]=>2
[4,5,1,2,3]=>2
[4,5,1,3,2]=>2
[4,5,2,1,3]=>2
[4,5,2,3,1]=>2
[4,5,3,1,2]=>2
[4,5,3,2,1]=>2
[5,1,2,3,4]=>2
[5,1,2,4,3]=>2
[5,1,3,2,4]=>2
[5,1,3,4,2]=>2
[5,1,4,2,3]=>2
[5,1,4,3,2]=>2
[5,2,1,3,4]=>2
[5,2,1,4,3]=>2
[5,2,3,1,4]=>2
[5,2,3,4,1]=>2
[5,2,4,1,3]=>2
[5,2,4,3,1]=>2
[5,3,1,2,4]=>2
[5,3,1,4,2]=>2
[5,3,2,1,4]=>2
[5,3,2,4,1]=>2
[5,3,4,1,2]=>2
[5,3,4,2,1]=>2
[5,4,1,2,3]=>2
[5,4,1,3,2]=>2
[5,4,2,1,3]=>2
[5,4,2,3,1]=>2
[5,4,3,1,2]=>2
[5,4,3,2,1]=>2
[1,2,3,4,5,6]=>3
[1,2,3,4,6,5]=>3
[1,2,3,5,4,6]=>3
[1,2,3,5,6,4]=>3
[1,2,3,6,4,5]=>3
[1,2,3,6,5,4]=>2
[1,2,4,3,5,6]=>3
[1,2,4,3,6,5]=>3
[1,2,4,5,3,6]=>3
[1,2,4,5,6,3]=>3
[1,2,4,6,3,5]=>3
[1,2,4,6,5,3]=>3
[1,2,5,3,4,6]=>3
[1,2,5,3,6,4]=>3
[1,2,5,4,3,6]=>2
[1,2,5,4,6,3]=>3
[1,2,5,6,3,4]=>3
[1,2,5,6,4,3]=>3
[1,2,6,3,4,5]=>3
[1,2,6,3,5,4]=>3
[1,2,6,4,3,5]=>3
[1,2,6,4,5,3]=>3
[1,2,6,5,3,4]=>3
[1,2,6,5,4,3]=>3
[1,3,2,4,5,6]=>3
[1,3,2,4,6,5]=>3
[1,3,2,5,4,6]=>3
[1,3,2,5,6,4]=>3
[1,3,2,6,4,5]=>3
[1,3,2,6,5,4]=>2
[1,3,4,2,5,6]=>3
[1,3,4,2,6,5]=>3
[1,3,4,5,2,6]=>3
[1,3,4,5,6,2]=>2
[1,3,4,6,2,5]=>3
[1,3,4,6,5,2]=>3
[1,3,5,2,4,6]=>3
[1,3,5,2,6,4]=>3
[1,3,5,4,2,6]=>2
[1,3,5,4,6,2]=>3
[1,3,5,6,2,4]=>3
[1,3,5,6,4,2]=>3
[1,3,6,2,4,5]=>3
[1,3,6,2,5,4]=>3
[1,3,6,4,2,5]=>3
[1,3,6,4,5,2]=>3
[1,3,6,5,2,4]=>3
[1,3,6,5,4,2]=>3
[1,4,2,3,5,6]=>3
[1,4,2,3,6,5]=>3
[1,4,2,5,3,6]=>3
[1,4,2,5,6,3]=>3
[1,4,2,6,3,5]=>3
[1,4,2,6,5,3]=>3
[1,4,3,2,5,6]=>2
[1,4,3,2,6,5]=>3
[1,4,3,5,2,6]=>2
[1,4,3,5,6,2]=>2
[1,4,3,6,2,5]=>3
[1,4,3,6,5,2]=>3
[1,4,5,2,3,6]=>3
[1,4,5,2,6,3]=>3
[1,4,5,3,2,6]=>2
[1,4,5,3,6,2]=>2
[1,4,5,6,2,3]=>3
[1,4,5,6,3,2]=>2
[1,4,6,2,3,5]=>3
[1,4,6,2,5,3]=>2
[1,4,6,3,2,5]=>3
[1,4,6,3,5,2]=>3
[1,4,6,5,2,3]=>2
[1,4,6,5,3,2]=>3
[1,5,2,3,4,6]=>3
[1,5,2,3,6,4]=>3
[1,5,2,4,3,6]=>2
[1,5,2,4,6,3]=>3
[1,5,2,6,3,4]=>3
[1,5,2,6,4,3]=>3
[1,5,3,2,4,6]=>2
[1,5,3,2,6,4]=>3
[1,5,3,4,2,6]=>2
[1,5,3,4,6,2]=>2
[1,5,3,6,2,4]=>3
[1,5,3,6,4,2]=>3
[1,5,4,2,3,6]=>2
[1,5,4,2,6,3]=>3
[1,5,4,3,2,6]=>2
[1,5,4,3,6,2]=>2
[1,5,4,6,2,3]=>2
[1,5,4,6,3,2]=>2
[1,5,6,2,3,4]=>3
[1,5,6,2,4,3]=>2
[1,5,6,3,2,4]=>2
[1,5,6,3,4,2]=>2
[1,5,6,4,2,3]=>2
[1,5,6,4,3,2]=>2
[1,6,2,3,4,5]=>2
[1,6,2,3,5,4]=>3
[1,6,2,4,3,5]=>3
[1,6,2,4,5,3]=>3
[1,6,2,5,3,4]=>3
[1,6,2,5,4,3]=>3
[1,6,3,2,4,5]=>2
[1,6,3,2,5,4]=>3
[1,6,3,4,2,5]=>2
[1,6,3,4,5,2]=>2
[1,6,3,5,2,4]=>3
[1,6,3,5,4,2]=>3
[1,6,4,2,3,5]=>2
[1,6,4,2,5,3]=>3
[1,6,4,3,2,5]=>2
[1,6,4,3,5,2]=>2
[1,6,4,5,2,3]=>2
[1,6,4,5,3,2]=>2
[1,6,5,2,3,4]=>2
[1,6,5,2,4,3]=>3
[1,6,5,3,2,4]=>2
[1,6,5,3,4,2]=>2
[1,6,5,4,2,3]=>2
[1,6,5,4,3,2]=>2
[2,1,3,4,5,6]=>3
[2,1,3,4,6,5]=>3
[2,1,3,5,4,6]=>3
[2,1,3,5,6,4]=>3
[2,1,3,6,4,5]=>3
[2,1,3,6,5,4]=>2
[2,1,4,3,5,6]=>3
[2,1,4,3,6,5]=>3
[2,1,4,5,3,6]=>3
[2,1,4,5,6,3]=>2
[2,1,4,6,3,5]=>3
[2,1,4,6,5,3]=>3
[2,1,5,3,4,6]=>3
[2,1,5,3,6,4]=>3
[2,1,5,4,3,6]=>3
[2,1,5,4,6,3]=>3
[2,1,5,6,3,4]=>3
[2,1,5,6,4,3]=>3
[2,1,6,3,4,5]=>2
[2,1,6,3,5,4]=>3
[2,1,6,4,3,5]=>3
[2,1,6,4,5,3]=>3
[2,1,6,5,3,4]=>3
[2,1,6,5,4,3]=>3
[2,3,1,4,5,6]=>3
[2,3,1,4,6,5]=>3
[2,3,1,5,4,6]=>3
[2,3,1,5,6,4]=>3
[2,3,1,6,4,5]=>3
[2,3,1,6,5,4]=>2
[2,3,4,1,5,6]=>3
[2,3,4,1,6,5]=>2
[2,3,4,5,1,6]=>2
[2,3,4,5,6,1]=>2
[2,3,4,6,1,5]=>2
[2,3,4,6,5,1]=>2
[2,3,5,1,4,6]=>3
[2,3,5,1,6,4]=>3
[2,3,5,4,1,6]=>2
[2,3,5,4,6,1]=>2
[2,3,5,6,1,4]=>3
[2,3,5,6,4,1]=>3
[2,3,6,1,4,5]=>3
[2,3,6,1,5,4]=>2
[2,3,6,4,1,5]=>2
[2,3,6,4,5,1]=>2
[2,3,6,5,1,4]=>2
[2,3,6,5,4,1]=>2
[2,4,1,3,5,6]=>3
[2,4,1,3,6,5]=>3
[2,4,1,5,3,6]=>3
[2,4,1,5,6,3]=>3
[2,4,1,6,3,5]=>3
[2,4,1,6,5,3]=>3
[2,4,3,1,5,6]=>3
[2,4,3,1,6,5]=>3
[2,4,3,5,1,6]=>3
[2,4,3,5,6,1]=>2
[2,4,3,6,1,5]=>3
[2,4,3,6,5,1]=>2
[2,4,5,1,3,6]=>3
[2,4,5,1,6,3]=>3
[2,4,5,3,1,6]=>2
[2,4,5,3,6,1]=>3
[2,4,5,6,1,3]=>3
[2,4,5,6,3,1]=>3
[2,4,6,1,3,5]=>3
[2,4,6,1,5,3]=>3
[2,4,6,3,1,5]=>2
[2,4,6,3,5,1]=>3
[2,4,6,5,1,3]=>3
[2,4,6,5,3,1]=>3
[2,5,1,3,4,6]=>3
[2,5,1,3,6,4]=>3
[2,5,1,4,3,6]=>3
[2,5,1,4,6,3]=>3
[2,5,1,6,3,4]=>3
[2,5,1,6,4,3]=>3
[2,5,3,1,4,6]=>3
[2,5,3,1,6,4]=>3
[2,5,3,4,1,6]=>2
[2,5,3,4,6,1]=>2
[2,5,3,6,1,4]=>3
[2,5,3,6,4,1]=>3
[2,5,4,1,3,6]=>3
[2,5,4,1,6,3]=>3
[2,5,4,3,1,6]=>2
[2,5,4,3,6,1]=>2
[2,5,4,6,1,3]=>3
[2,5,4,6,3,1]=>3
[2,5,6,1,3,4]=>3
[2,5,6,1,4,3]=>2
[2,5,6,3,1,4]=>3
[2,5,6,3,4,1]=>3
[2,5,6,4,1,3]=>3
[2,5,6,4,3,1]=>3
[2,6,1,3,4,5]=>2
[2,6,1,3,5,4]=>3
[2,6,1,4,3,5]=>3
[2,6,1,4,5,3]=>3
[2,6,1,5,3,4]=>3
[2,6,1,5,4,3]=>3
[2,6,3,1,4,5]=>2
[2,6,3,1,5,4]=>3
[2,6,3,4,1,5]=>2
[2,6,3,4,5,1]=>2
[2,6,3,5,1,4]=>2
[2,6,3,5,4,1]=>2
[2,6,4,1,3,5]=>2
[2,6,4,1,5,3]=>3
[2,6,4,3,1,5]=>2
[2,6,4,3,5,1]=>2
[2,6,4,5,1,3]=>3
[2,6,4,5,3,1]=>3
[2,6,5,1,3,4]=>2
[2,6,5,1,4,3]=>3
[2,6,5,3,1,4]=>2
[2,6,5,3,4,1]=>2
[2,6,5,4,1,3]=>2
[2,6,5,4,3,1]=>2
[3,1,2,4,5,6]=>3
[3,1,2,4,6,5]=>3
[3,1,2,5,4,6]=>3
[3,1,2,5,6,4]=>3
[3,1,2,6,4,5]=>3
[3,1,2,6,5,4]=>2
[3,1,4,2,5,6]=>3
[3,1,4,2,6,5]=>3
[3,1,4,5,2,6]=>3
[3,1,4,5,6,2]=>2
[3,1,4,6,2,5]=>3
[3,1,4,6,5,2]=>3
[3,1,5,2,4,6]=>3
[3,1,5,2,6,4]=>3
[3,1,5,4,2,6]=>3
[3,1,5,4,6,2]=>3
[3,1,5,6,2,4]=>3
[3,1,5,6,4,2]=>3
[3,1,6,2,4,5]=>3
[3,1,6,2,5,4]=>3
[3,1,6,4,2,5]=>3
[3,1,6,4,5,2]=>3
[3,1,6,5,2,4]=>3
[3,1,6,5,4,2]=>3
[3,2,1,4,5,6]=>2
[3,2,1,4,6,5]=>2
[3,2,1,5,4,6]=>2
[3,2,1,5,6,4]=>2
[3,2,1,6,4,5]=>2
[3,2,1,6,5,4]=>3
[3,2,4,1,5,6]=>3
[3,2,4,1,6,5]=>3
[3,2,4,5,1,6]=>3
[3,2,4,5,6,1]=>2
[3,2,4,6,1,5]=>3
[3,2,4,6,5,1]=>2
[3,2,5,1,4,6]=>3
[3,2,5,1,6,4]=>3
[3,2,5,4,1,6]=>3
[3,2,5,4,6,1]=>2
[3,2,5,6,1,4]=>2
[3,2,5,6,4,1]=>2
[3,2,6,1,4,5]=>2
[3,2,6,1,5,4]=>3
[3,2,6,4,1,5]=>3
[3,2,6,4,5,1]=>2
[3,2,6,5,1,4]=>3
[3,2,6,5,4,1]=>3
[3,4,1,2,5,6]=>3
[3,4,1,2,6,5]=>3
[3,4,1,5,2,6]=>3
[3,4,1,5,6,2]=>3
[3,4,1,6,2,5]=>3
[3,4,1,6,5,2]=>2
[3,4,2,1,5,6]=>3
[3,4,2,1,6,5]=>3
[3,4,2,5,1,6]=>3
[3,4,2,5,6,1]=>3
[3,4,2,6,1,5]=>3
[3,4,2,6,5,1]=>2
[3,4,5,1,2,6]=>3
[3,4,5,1,6,2]=>3
[3,4,5,2,1,6]=>2
[3,4,5,2,6,1]=>3
[3,4,5,6,1,2]=>3
[3,4,5,6,2,1]=>3
[3,4,6,1,2,5]=>3
[3,4,6,1,5,2]=>3
[3,4,6,2,1,5]=>2
[3,4,6,2,5,1]=>3
[3,4,6,5,1,2]=>3
[3,4,6,5,2,1]=>3
[3,5,1,2,4,6]=>3
[3,5,1,2,6,4]=>3
[3,5,1,4,2,6]=>3
[3,5,1,4,6,2]=>3
[3,5,1,6,2,4]=>3
[3,5,1,6,4,2]=>3
[3,5,2,1,4,6]=>3
[3,5,2,1,6,4]=>3
[3,5,2,4,1,6]=>3
[3,5,2,4,6,1]=>3
[3,5,2,6,1,4]=>3
[3,5,2,6,4,1]=>2
[3,5,4,1,2,6]=>2
[3,5,4,1,6,2]=>3
[3,5,4,2,1,6]=>2
[3,5,4,2,6,1]=>3
[3,5,4,6,1,2]=>3
[3,5,4,6,2,1]=>3
[3,5,6,1,2,4]=>3
[3,5,6,1,4,2]=>3
[3,5,6,2,1,4]=>2
[3,5,6,2,4,1]=>3
[3,5,6,4,1,2]=>3
[3,5,6,4,2,1]=>3
[3,6,1,2,4,5]=>3
[3,6,1,2,5,4]=>2
[3,6,1,4,2,5]=>3
[3,6,1,4,5,2]=>3
[3,6,1,5,2,4]=>3
[3,6,1,5,4,2]=>3
[3,6,2,1,4,5]=>2
[3,6,2,1,5,4]=>3
[3,6,2,4,1,5]=>2
[3,6,2,4,5,1]=>3
[3,6,2,5,1,4]=>3
[3,6,2,5,4,1]=>3
[3,6,4,1,2,5]=>3
[3,6,4,1,5,2]=>3
[3,6,4,2,1,5]=>2
[3,6,4,2,5,1]=>3
[3,6,4,5,1,2]=>3
[3,6,4,5,2,1]=>3
[3,6,5,1,2,4]=>2
[3,6,5,1,4,2]=>3
[3,6,5,2,1,4]=>3
[3,6,5,2,4,1]=>3
[3,6,5,4,1,2]=>2
[3,6,5,4,2,1]=>3
[4,1,2,3,5,6]=>3
[4,1,2,3,6,5]=>2
[4,1,2,5,3,6]=>3
[4,1,2,5,6,3]=>3
[4,1,2,6,3,5]=>3
[4,1,2,6,5,3]=>2
[4,1,3,2,5,6]=>3
[4,1,3,2,6,5]=>3
[4,1,3,5,2,6]=>3
[4,1,3,5,6,2]=>2
[4,1,3,6,2,5]=>3
[4,1,3,6,5,2]=>3
[4,1,5,2,3,6]=>3
[4,1,5,2,6,3]=>3
[4,1,5,3,2,6]=>3
[4,1,5,3,6,2]=>2
[4,1,5,6,2,3]=>3
[4,1,5,6,3,2]=>2
[4,1,6,2,3,5]=>3
[4,1,6,2,5,3]=>3
[4,1,6,3,2,5]=>3
[4,1,6,3,5,2]=>3
[4,1,6,5,2,3]=>2
[4,1,6,5,3,2]=>3
[4,2,1,3,5,6]=>3
[4,2,1,3,6,5]=>3
[4,2,1,5,3,6]=>3
[4,2,1,5,6,3]=>2
[4,2,1,6,3,5]=>3
[4,2,1,6,5,3]=>3
[4,2,3,1,5,6]=>3
[4,2,3,1,6,5]=>3
[4,2,3,5,1,6]=>3
[4,2,3,5,6,1]=>2
[4,2,3,6,1,5]=>3
[4,2,3,6,5,1]=>2
[4,2,5,1,3,6]=>2
[4,2,5,1,6,3]=>3
[4,2,5,3,1,6]=>3
[4,2,5,3,6,1]=>3
[4,2,5,6,1,3]=>3
[4,2,5,6,3,1]=>3
[4,2,6,1,3,5]=>3
[4,2,6,1,5,3]=>3
[4,2,6,3,1,5]=>3
[4,2,6,3,5,1]=>3
[4,2,6,5,1,3]=>3
[4,2,6,5,3,1]=>3
[4,3,1,2,5,6]=>3
[4,3,1,2,6,5]=>3
[4,3,1,5,2,6]=>3
[4,3,1,5,6,2]=>2
[4,3,1,6,2,5]=>3
[4,3,1,6,5,2]=>3
[4,3,2,1,5,6]=>3
[4,3,2,1,6,5]=>3
[4,3,2,5,1,6]=>3
[4,3,2,5,6,1]=>2
[4,3,2,6,1,5]=>3
[4,3,2,6,5,1]=>3
[4,3,5,1,2,6]=>2
[4,3,5,1,6,2]=>3
[4,3,5,2,1,6]=>3
[4,3,5,2,6,1]=>3
[4,3,5,6,1,2]=>3
[4,3,5,6,2,1]=>3
[4,3,6,1,2,5]=>2
[4,3,6,1,5,2]=>3
[4,3,6,2,1,5]=>3
[4,3,6,2,5,1]=>3
[4,3,6,5,1,2]=>3
[4,3,6,5,2,1]=>3
[4,5,1,2,3,6]=>3
[4,5,1,2,6,3]=>3
[4,5,1,3,2,6]=>2
[4,5,1,3,6,2]=>3
[4,5,1,6,2,3]=>3
[4,5,1,6,3,2]=>2
[4,5,2,1,3,6]=>2
[4,5,2,1,6,3]=>2
[4,5,2,3,1,6]=>2
[4,5,2,3,6,1]=>3
[4,5,2,6,1,3]=>3
[4,5,2,6,3,1]=>3
[4,5,3,1,2,6]=>2
[4,5,3,1,6,2]=>3
[4,5,3,2,1,6]=>2
[4,5,3,2,6,1]=>3
[4,5,3,6,1,2]=>3
[4,5,3,6,2,1]=>3
[4,5,6,1,2,3]=>3
[4,5,6,1,3,2]=>2
[4,5,6,2,1,3]=>2
[4,5,6,2,3,1]=>2
[4,5,6,3,1,2]=>2
[4,5,6,3,2,1]=>2
[4,6,1,2,3,5]=>3
[4,6,1,2,5,3]=>3
[4,6,1,3,2,5]=>3
[4,6,1,3,5,2]=>3
[4,6,1,5,2,3]=>3
[4,6,1,5,3,2]=>3
[4,6,2,1,3,5]=>3
[4,6,2,1,5,3]=>3
[4,6,2,3,1,5]=>3
[4,6,2,3,5,1]=>3
[4,6,2,5,1,3]=>3
[4,6,2,5,3,1]=>3
[4,6,3,1,2,5]=>3
[4,6,3,1,5,2]=>3
[4,6,3,2,1,5]=>2
[4,6,3,2,5,1]=>3
[4,6,3,5,1,2]=>3
[4,6,3,5,2,1]=>3
[4,6,5,1,2,3]=>2
[4,6,5,1,3,2]=>3
[4,6,5,2,1,3]=>3
[4,6,5,2,3,1]=>3
[4,6,5,3,1,2]=>3
[4,6,5,3,2,1]=>3
[5,1,2,3,4,6]=>2
[5,1,2,3,6,4]=>2
[5,1,2,4,3,6]=>2
[5,1,2,4,6,3]=>2
[5,1,2,6,3,4]=>3
[5,1,2,6,4,3]=>2
[5,1,3,2,4,6]=>3
[5,1,3,2,6,4]=>3
[5,1,3,4,2,6]=>2
[5,1,3,4,6,2]=>2
[5,1,3,6,2,4]=>3
[5,1,3,6,4,2]=>2
[5,1,4,2,3,6]=>2
[5,1,4,2,6,3]=>2
[5,1,4,3,2,6]=>2
[5,1,4,3,6,2]=>2
[5,1,4,6,2,3]=>3
[5,1,4,6,3,2]=>2
[5,1,6,2,3,4]=>3
[5,1,6,2,4,3]=>3
[5,1,6,3,2,4]=>3
[5,1,6,3,4,2]=>3
[5,1,6,4,2,3]=>3
[5,1,6,4,3,2]=>2
[5,2,1,3,4,6]=>3
[5,2,1,3,6,4]=>3
[5,2,1,4,3,6]=>3
[5,2,1,4,6,3]=>3
[5,2,1,6,3,4]=>2
[5,2,1,6,4,3]=>3
[5,2,3,1,4,6]=>3
[5,2,3,1,6,4]=>3
[5,2,3,4,1,6]=>2
[5,2,3,4,6,1]=>2
[5,2,3,6,1,4]=>3
[5,2,3,6,4,1]=>3
[5,2,4,1,3,6]=>3
[5,2,4,1,6,3]=>3
[5,2,4,3,1,6]=>2
[5,2,4,3,6,1]=>2
[5,2,4,6,1,3]=>3
[5,2,4,6,3,1]=>3
[5,2,6,1,3,4]=>3
[5,2,6,1,4,3]=>3
[5,2,6,3,1,4]=>3
[5,2,6,3,4,1]=>3
[5,2,6,4,1,3]=>3
[5,2,6,4,3,1]=>3
[5,3,1,2,4,6]=>3
[5,3,1,2,6,4]=>3
[5,3,1,4,2,6]=>3
[5,3,1,4,6,2]=>2
[5,3,1,6,2,4]=>3
[5,3,1,6,4,2]=>3
[5,3,2,1,4,6]=>3
[5,3,2,1,6,4]=>3
[5,3,2,4,1,6]=>3
[5,3,2,4,6,1]=>2
[5,3,2,6,1,4]=>3
[5,3,2,6,4,1]=>3
[5,3,4,1,2,6]=>2
[5,3,4,1,6,2]=>3
[5,3,4,2,1,6]=>2
[5,3,4,2,6,1]=>3
[5,3,4,6,1,2]=>3
[5,3,4,6,2,1]=>3
[5,3,6,1,2,4]=>3
[5,3,6,1,4,2]=>3
[5,3,6,2,1,4]=>3
[5,3,6,2,4,1]=>3
[5,3,6,4,1,2]=>3
[5,3,6,4,2,1]=>3
[5,4,1,2,3,6]=>2
[5,4,1,2,6,3]=>2
[5,4,1,3,2,6]=>2
[5,4,1,3,6,2]=>2
[5,4,1,6,2,3]=>2
[5,4,1,6,3,2]=>3
[5,4,2,1,3,6]=>3
[5,4,2,1,6,3]=>3
[5,4,2,3,1,6]=>2
[5,4,2,3,6,1]=>2
[5,4,2,6,1,3]=>3
[5,4,2,6,3,1]=>3
[5,4,3,1,2,6]=>2
[5,4,3,1,6,2]=>2
[5,4,3,2,1,6]=>2
[5,4,3,2,6,1]=>2
[5,4,3,6,1,2]=>2
[5,4,3,6,2,1]=>3
[5,4,6,1,2,3]=>2
[5,4,6,1,3,2]=>3
[5,4,6,2,1,3]=>3
[5,4,6,2,3,1]=>3
[5,4,6,3,1,2]=>3
[5,4,6,3,2,1]=>3
[5,6,1,2,3,4]=>3
[5,6,1,2,4,3]=>3
[5,6,1,3,2,4]=>3
[5,6,1,3,4,2]=>3
[5,6,1,4,2,3]=>3
[5,6,1,4,3,2]=>2
[5,6,2,1,3,4]=>3
[5,6,2,1,4,3]=>3
[5,6,2,3,1,4]=>3
[5,6,2,3,4,1]=>3
[5,6,2,4,1,3]=>3
[5,6,2,4,3,1]=>3
[5,6,3,1,2,4]=>3
[5,6,3,1,4,2]=>3
[5,6,3,2,1,4]=>2
[5,6,3,2,4,1]=>3
[5,6,3,4,1,2]=>3
[5,6,3,4,2,1]=>3
[5,6,4,1,2,3]=>2
[5,6,4,1,3,2]=>3
[5,6,4,2,1,3]=>3
[5,6,4,2,3,1]=>3
[5,6,4,3,1,2]=>3
[5,6,4,3,2,1]=>3
[6,1,2,3,4,5]=>2
[6,1,2,3,5,4]=>2
[6,1,2,4,3,5]=>2
[6,1,2,4,5,3]=>2
[6,1,2,5,3,4]=>3
[6,1,2,5,4,3]=>2
[6,1,3,2,4,5]=>2
[6,1,3,2,5,4]=>2
[6,1,3,4,2,5]=>2
[6,1,3,4,5,2]=>2
[6,1,3,5,2,4]=>3
[6,1,3,5,4,2]=>2
[6,1,4,2,3,5]=>3
[6,1,4,2,5,3]=>3
[6,1,4,3,2,5]=>2
[6,1,4,3,5,2]=>2
[6,1,4,5,2,3]=>3
[6,1,4,5,3,2]=>2
[6,1,5,2,3,4]=>3
[6,1,5,2,4,3]=>3
[6,1,5,3,2,4]=>3
[6,1,5,3,4,2]=>3
[6,1,5,4,2,3]=>3
[6,1,5,4,3,2]=>2
[6,2,1,3,4,5]=>2
[6,2,1,3,5,4]=>2
[6,2,1,4,3,5]=>2
[6,2,1,4,5,3]=>2
[6,2,1,5,3,4]=>2
[6,2,1,5,4,3]=>3
[6,2,3,1,4,5]=>2
[6,2,3,1,5,4]=>2
[6,2,3,4,1,5]=>2
[6,2,3,4,5,1]=>2
[6,2,3,5,1,4]=>3
[6,2,3,5,4,1]=>2
[6,2,4,1,3,5]=>3
[6,2,4,1,5,3]=>3
[6,2,4,3,1,5]=>2
[6,2,4,3,5,1]=>2
[6,2,4,5,1,3]=>3
[6,2,4,5,3,1]=>2
[6,2,5,1,3,4]=>3
[6,2,5,1,4,3]=>3
[6,2,5,3,1,4]=>3
[6,2,5,3,4,1]=>2
[6,2,5,4,1,3]=>3
[6,2,5,4,3,1]=>3
[6,3,1,2,4,5]=>3
[6,3,1,2,5,4]=>2
[6,3,1,4,2,5]=>3
[6,3,1,4,5,2]=>3
[6,3,1,5,2,4]=>2
[6,3,1,5,4,2]=>3
[6,3,2,1,4,5]=>2
[6,3,2,1,5,4]=>3
[6,3,2,4,1,5]=>2
[6,3,2,4,5,1]=>2
[6,3,2,5,1,4]=>3
[6,3,2,5,4,1]=>3
[6,3,4,1,2,5]=>3
[6,3,4,1,5,2]=>3
[6,3,4,2,1,5]=>2
[6,3,4,2,5,1]=>2
[6,3,4,5,1,2]=>3
[6,3,4,5,2,1]=>2
[6,3,5,1,2,4]=>3
[6,3,5,1,4,2]=>3
[6,3,5,2,1,4]=>3
[6,3,5,2,4,1]=>3
[6,3,5,4,1,2]=>3
[6,3,5,4,2,1]=>3
[6,4,1,2,3,5]=>3
[6,4,1,2,5,3]=>3
[6,4,1,3,2,5]=>3
[6,4,1,3,5,2]=>3
[6,4,1,5,2,3]=>3
[6,4,1,5,3,2]=>3
[6,4,2,1,3,5]=>3
[6,4,2,1,5,3]=>3
[6,4,2,3,1,5]=>3
[6,4,2,3,5,1]=>2
[6,4,2,5,1,3]=>3
[6,4,2,5,3,1]=>3
[6,4,3,1,2,5]=>3
[6,4,3,1,5,2]=>3
[6,4,3,2,1,5]=>2
[6,4,3,2,5,1]=>3
[6,4,3,5,1,2]=>3
[6,4,3,5,2,1]=>3
[6,4,5,1,2,3]=>2
[6,4,5,1,3,2]=>3
[6,4,5,2,1,3]=>3
[6,4,5,2,3,1]=>3
[6,4,5,3,1,2]=>3
[6,4,5,3,2,1]=>3
[6,5,1,2,3,4]=>3
[6,5,1,2,4,3]=>3
[6,5,1,3,2,4]=>3
[6,5,1,3,4,2]=>3
[6,5,1,4,2,3]=>3
[6,5,1,4,3,2]=>3
[6,5,2,1,3,4]=>3
[6,5,2,1,4,3]=>3
[6,5,2,3,1,4]=>3
[6,5,2,3,4,1]=>2
[6,5,2,4,1,3]=>3
[6,5,2,4,3,1]=>3
[6,5,3,1,2,4]=>3
[6,5,3,1,4,2]=>3
[6,5,3,2,1,4]=>3
[6,5,3,2,4,1]=>3
[6,5,3,4,1,2]=>3
[6,5,3,4,2,1]=>3
[6,5,4,1,2,3]=>2
[6,5,4,1,3,2]=>3
[6,5,4,2,1,3]=>3
[6,5,4,2,3,1]=>3
[6,5,4,3,1,2]=>3
[6,5,4,3,2,1]=>3
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Description
The length of a longest pair of twins in a permutation.
A pair of twins in a permutation is a pair of two disjoint subsequences which are order isomorphic.
A pair of twins in a permutation is a pair of two disjoint subsequences which are order isomorphic.
References
[1] Dudek, A., Grytczuk, Jarosław, Ruciński, A. Variations on twins in permutations arXiv:2001.05589
Code
from sage.combinat.permutation import to_standard def statistic(pi): n = len(pi) S = set(range(n)) for k in range(n//2, 0, -1): for s1 in Subsets(S, k): for s2 in Subsets(S.difference(s1), k): pi1 = [pi[i] for i in s1] pi2 = [pi[i] for i in s2] if to_standard(pi1) == to_standard(pi2): return k return 0
Created
Jan 17, 2020 at 09:24 by Martin Rubey
Updated
Jan 17, 2020 at 09:24 by Martin Rubey
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