Identifier
- St000243: Permutations ⟶ ℤ
Values
=>
[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]=>1
[1,2,4,3]=>1
[1,3,2,4]=>2
[1,3,4,2]=>1
[1,4,2,3]=>2
[1,4,3,2]=>1
[2,1,3,4]=>1
[2,1,4,3]=>1
[2,3,1,4]=>2
[2,3,4,1]=>1
[2,4,1,3]=>2
[2,4,3,1]=>1
[3,1,2,4]=>1
[3,1,4,2]=>2
[3,2,1,4]=>1
[3,2,4,1]=>2
[3,4,1,2]=>1
[3,4,2,1]=>1
[4,1,2,3]=>1
[4,1,3,2]=>2
[4,2,1,3]=>1
[4,2,3,1]=>2
[4,3,1,2]=>1
[4,3,2,1]=>1
[1,2,3,4,5]=>1
[1,2,3,5,4]=>1
[1,2,4,3,5]=>2
[1,2,4,5,3]=>1
[1,2,5,3,4]=>2
[1,2,5,4,3]=>1
[1,3,2,4,5]=>2
[1,3,2,5,4]=>2
[1,3,4,2,5]=>2
[1,3,4,5,2]=>1
[1,3,5,2,4]=>2
[1,3,5,4,2]=>1
[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]=>1
[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]=>1
[2,1,3,4,5]=>1
[2,1,3,5,4]=>1
[2,1,4,3,5]=>2
[2,1,4,5,3]=>1
[2,1,5,3,4]=>2
[2,1,5,4,3]=>1
[2,3,1,4,5]=>2
[2,3,1,5,4]=>2
[2,3,4,1,5]=>2
[2,3,4,5,1]=>1
[2,3,5,1,4]=>2
[2,3,5,4,1]=>1
[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]=>1
[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]=>1
[3,1,2,4,5]=>1
[3,1,2,5,4]=>1
[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]=>1
[3,2,1,5,4]=>1
[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]=>1
[3,4,5,2,1]=>1
[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]=>1
[3,5,4,2,1]=>1
[4,1,2,3,5]=>1
[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]=>1
[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]=>1
[4,3,1,5,2]=>2
[4,3,2,1,5]=>1
[4,3,2,5,1]=>2
[4,3,5,1,2]=>2
[4,3,5,2,1]=>2
[4,5,1,2,3]=>1
[4,5,1,3,2]=>2
[4,5,2,1,3]=>1
[4,5,2,3,1]=>2
[4,5,3,1,2]=>1
[4,5,3,2,1]=>1
[5,1,2,3,4]=>1
[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]=>1
[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]=>1
[5,3,1,4,2]=>2
[5,3,2,1,4]=>1
[5,3,2,4,1]=>2
[5,3,4,1,2]=>2
[5,3,4,2,1]=>2
[5,4,1,2,3]=>1
[5,4,1,3,2]=>2
[5,4,2,1,3]=>1
[5,4,2,3,1]=>2
[5,4,3,1,2]=>1
[5,4,3,2,1]=>1
[1,2,3,4,5,6]=>1
[1,2,3,4,6,5]=>1
[1,2,3,5,4,6]=>2
[1,2,3,5,6,4]=>1
[1,2,3,6,4,5]=>2
[1,2,3,6,5,4]=>1
[1,2,4,3,5,6]=>2
[1,2,4,3,6,5]=>2
[1,2,4,5,3,6]=>2
[1,2,4,5,6,3]=>1
[1,2,4,6,3,5]=>2
[1,2,4,6,5,3]=>1
[1,2,5,3,4,6]=>2
[1,2,5,3,6,4]=>2
[1,2,5,4,3,6]=>2
[1,2,5,4,6,3]=>2
[1,2,5,6,3,4]=>2
[1,2,5,6,4,3]=>1
[1,2,6,3,4,5]=>2
[1,2,6,3,5,4]=>2
[1,2,6,4,3,5]=>2
[1,2,6,4,5,3]=>2
[1,2,6,5,3,4]=>2
[1,2,6,5,4,3]=>1
[1,3,2,4,5,6]=>2
[1,3,2,4,6,5]=>2
[1,3,2,5,4,6]=>3
[1,3,2,5,6,4]=>2
[1,3,2,6,4,5]=>3
[1,3,2,6,5,4]=>2
[1,3,4,2,5,6]=>2
[1,3,4,2,6,5]=>2
[1,3,4,5,2,6]=>2
[1,3,4,5,6,2]=>1
[1,3,4,6,2,5]=>2
[1,3,4,6,5,2]=>1
[1,3,5,2,4,6]=>2
[1,3,5,2,6,4]=>2
[1,3,5,4,2,6]=>2
[1,3,5,4,6,2]=>2
[1,3,5,6,2,4]=>2
[1,3,5,6,4,2]=>1
[1,3,6,2,4,5]=>2
[1,3,6,2,5,4]=>2
[1,3,6,4,2,5]=>2
[1,3,6,4,5,2]=>2
[1,3,6,5,2,4]=>2
[1,3,6,5,4,2]=>1
[1,4,2,3,5,6]=>2
[1,4,2,3,6,5]=>2
[1,4,2,5,3,6]=>3
[1,4,2,5,6,3]=>2
[1,4,2,6,3,5]=>3
[1,4,2,6,5,3]=>2
[1,4,3,2,5,6]=>2
[1,4,3,2,6,5]=>2
[1,4,3,5,2,6]=>3
[1,4,3,5,6,2]=>2
[1,4,3,6,2,5]=>3
[1,4,3,6,5,2]=>2
[1,4,5,2,3,6]=>2
[1,4,5,2,6,3]=>2
[1,4,5,3,2,6]=>2
[1,4,5,3,6,2]=>2
[1,4,5,6,2,3]=>2
[1,4,5,6,3,2]=>1
[1,4,6,2,3,5]=>2
[1,4,6,2,5,3]=>2
[1,4,6,3,2,5]=>2
[1,4,6,3,5,2]=>2
[1,4,6,5,2,3]=>2
[1,4,6,5,3,2]=>1
[1,5,2,3,4,6]=>2
[1,5,2,3,6,4]=>2
[1,5,2,4,3,6]=>3
[1,5,2,4,6,3]=>2
[1,5,2,6,3,4]=>3
[1,5,2,6,4,3]=>2
[1,5,3,2,4,6]=>2
[1,5,3,2,6,4]=>2
[1,5,3,4,2,6]=>3
[1,5,3,4,6,2]=>2
[1,5,3,6,2,4]=>3
[1,5,3,6,4,2]=>2
[1,5,4,2,3,6]=>2
[1,5,4,2,6,3]=>2
[1,5,4,3,2,6]=>2
[1,5,4,3,6,2]=>2
[1,5,4,6,2,3]=>3
[1,5,4,6,3,2]=>2
[1,5,6,2,3,4]=>2
[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]=>1
[1,6,2,3,4,5]=>2
[1,6,2,3,5,4]=>2
[1,6,2,4,3,5]=>3
[1,6,2,4,5,3]=>2
[1,6,2,5,3,4]=>3
[1,6,2,5,4,3]=>2
[1,6,3,2,4,5]=>2
[1,6,3,2,5,4]=>2
[1,6,3,4,2,5]=>3
[1,6,3,4,5,2]=>2
[1,6,3,5,2,4]=>3
[1,6,3,5,4,2]=>2
[1,6,4,2,3,5]=>2
[1,6,4,2,5,3]=>2
[1,6,4,3,2,5]=>2
[1,6,4,3,5,2]=>2
[1,6,4,5,2,3]=>3
[1,6,4,5,3,2]=>2
[1,6,5,2,3,4]=>2
[1,6,5,2,4,3]=>2
[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]=>1
[2,1,3,4,5,6]=>1
[2,1,3,4,6,5]=>1
[2,1,3,5,4,6]=>2
[2,1,3,5,6,4]=>1
[2,1,3,6,4,5]=>2
[2,1,3,6,5,4]=>1
[2,1,4,3,5,6]=>2
[2,1,4,3,6,5]=>2
[2,1,4,5,3,6]=>2
[2,1,4,5,6,3]=>1
[2,1,4,6,3,5]=>2
[2,1,4,6,5,3]=>1
[2,1,5,3,4,6]=>2
[2,1,5,3,6,4]=>2
[2,1,5,4,3,6]=>2
[2,1,5,4,6,3]=>2
[2,1,5,6,3,4]=>2
[2,1,5,6,4,3]=>1
[2,1,6,3,4,5]=>2
[2,1,6,3,5,4]=>2
[2,1,6,4,3,5]=>2
[2,1,6,4,5,3]=>2
[2,1,6,5,3,4]=>2
[2,1,6,5,4,3]=>1
[2,3,1,4,5,6]=>2
[2,3,1,4,6,5]=>2
[2,3,1,5,4,6]=>3
[2,3,1,5,6,4]=>2
[2,3,1,6,4,5]=>3
[2,3,1,6,5,4]=>2
[2,3,4,1,5,6]=>2
[2,3,4,1,6,5]=>2
[2,3,4,5,1,6]=>2
[2,3,4,5,6,1]=>1
[2,3,4,6,1,5]=>2
[2,3,4,6,5,1]=>1
[2,3,5,1,4,6]=>2
[2,3,5,1,6,4]=>2
[2,3,5,4,1,6]=>2
[2,3,5,4,6,1]=>2
[2,3,5,6,1,4]=>2
[2,3,5,6,4,1]=>1
[2,3,6,1,4,5]=>2
[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]=>1
[2,4,1,3,5,6]=>2
[2,4,1,3,6,5]=>2
[2,4,1,5,3,6]=>3
[2,4,1,5,6,3]=>2
[2,4,1,6,3,5]=>3
[2,4,1,6,5,3]=>2
[2,4,3,1,5,6]=>2
[2,4,3,1,6,5]=>2
[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]=>2
[2,4,5,1,6,3]=>2
[2,4,5,3,1,6]=>2
[2,4,5,3,6,1]=>2
[2,4,5,6,1,3]=>2
[2,4,5,6,3,1]=>1
[2,4,6,1,3,5]=>2
[2,4,6,1,5,3]=>2
[2,4,6,3,1,5]=>2
[2,4,6,3,5,1]=>2
[2,4,6,5,1,3]=>2
[2,4,6,5,3,1]=>1
[2,5,1,3,4,6]=>2
[2,5,1,3,6,4]=>2
[2,5,1,4,3,6]=>3
[2,5,1,4,6,3]=>2
[2,5,1,6,3,4]=>3
[2,5,1,6,4,3]=>2
[2,5,3,1,4,6]=>2
[2,5,3,1,6,4]=>2
[2,5,3,4,1,6]=>3
[2,5,3,4,6,1]=>2
[2,5,3,6,1,4]=>3
[2,5,3,6,4,1]=>2
[2,5,4,1,3,6]=>2
[2,5,4,1,6,3]=>2
[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]=>2
[2,5,6,1,3,4]=>2
[2,5,6,1,4,3]=>2
[2,5,6,3,1,4]=>2
[2,5,6,3,4,1]=>2
[2,5,6,4,1,3]=>2
[2,5,6,4,3,1]=>1
[2,6,1,3,4,5]=>2
[2,6,1,3,5,4]=>2
[2,6,1,4,3,5]=>3
[2,6,1,4,5,3]=>2
[2,6,1,5,3,4]=>3
[2,6,1,5,4,3]=>2
[2,6,3,1,4,5]=>2
[2,6,3,1,5,4]=>2
[2,6,3,4,1,5]=>3
[2,6,3,4,5,1]=>2
[2,6,3,5,1,4]=>3
[2,6,3,5,4,1]=>2
[2,6,4,1,3,5]=>2
[2,6,4,1,5,3]=>2
[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]=>2
[2,6,5,1,3,4]=>2
[2,6,5,1,4,3]=>2
[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]=>1
[3,1,2,4,5,6]=>1
[3,1,2,4,6,5]=>1
[3,1,2,5,4,6]=>2
[3,1,2,5,6,4]=>1
[3,1,2,6,4,5]=>2
[3,1,2,6,5,4]=>1
[3,1,4,2,5,6]=>2
[3,1,4,2,6,5]=>2
[3,1,4,5,2,6]=>2
[3,1,4,5,6,2]=>2
[3,1,4,6,2,5]=>2
[3,1,4,6,5,2]=>2
[3,1,5,2,4,6]=>2
[3,1,5,2,6,4]=>2
[3,1,5,4,2,6]=>2
[3,1,5,4,6,2]=>3
[3,1,5,6,2,4]=>2
[3,1,5,6,4,2]=>2
[3,1,6,2,4,5]=>2
[3,1,6,2,5,4]=>2
[3,1,6,4,2,5]=>2
[3,1,6,4,5,2]=>3
[3,1,6,5,2,4]=>2
[3,1,6,5,4,2]=>2
[3,2,1,4,5,6]=>1
[3,2,1,4,6,5]=>1
[3,2,1,5,4,6]=>2
[3,2,1,5,6,4]=>1
[3,2,1,6,4,5]=>2
[3,2,1,6,5,4]=>1
[3,2,4,1,5,6]=>2
[3,2,4,1,6,5]=>2
[3,2,4,5,1,6]=>2
[3,2,4,5,6,1]=>2
[3,2,4,6,1,5]=>2
[3,2,4,6,5,1]=>2
[3,2,5,1,4,6]=>2
[3,2,5,1,6,4]=>2
[3,2,5,4,1,6]=>2
[3,2,5,4,6,1]=>3
[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]=>2
[3,2,6,4,1,5]=>2
[3,2,6,4,5,1]=>3
[3,2,6,5,1,4]=>2
[3,2,6,5,4,1]=>2
[3,4,1,2,5,6]=>2
[3,4,1,2,6,5]=>2
[3,4,1,5,2,6]=>3
[3,4,1,5,6,2]=>2
[3,4,1,6,2,5]=>3
[3,4,1,6,5,2]=>2
[3,4,2,1,5,6]=>2
[3,4,2,1,6,5]=>2
[3,4,2,5,1,6]=>3
[3,4,2,5,6,1]=>2
[3,4,2,6,1,5]=>3
[3,4,2,6,5,1]=>2
[3,4,5,1,2,6]=>2
[3,4,5,1,6,2]=>2
[3,4,5,2,1,6]=>2
[3,4,5,2,6,1]=>2
[3,4,5,6,1,2]=>1
[3,4,5,6,2,1]=>1
[3,4,6,1,2,5]=>2
[3,4,6,1,5,2]=>2
[3,4,6,2,1,5]=>2
[3,4,6,2,5,1]=>2
[3,4,6,5,1,2]=>1
[3,4,6,5,2,1]=>1
[3,5,1,2,4,6]=>2
[3,5,1,2,6,4]=>2
[3,5,1,4,2,6]=>3
[3,5,1,4,6,2]=>2
[3,5,1,6,2,4]=>3
[3,5,1,6,4,2]=>2
[3,5,2,1,4,6]=>2
[3,5,2,1,6,4]=>2
[3,5,2,4,1,6]=>3
[3,5,2,4,6,1]=>2
[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]=>2
[3,5,4,2,1,6]=>2
[3,5,4,2,6,1]=>2
[3,5,4,6,1,2]=>2
[3,5,4,6,2,1]=>2
[3,5,6,1,2,4]=>2
[3,5,6,1,4,2]=>2
[3,5,6,2,1,4]=>2
[3,5,6,2,4,1]=>2
[3,5,6,4,1,2]=>1
[3,5,6,4,2,1]=>1
[3,6,1,2,4,5]=>2
[3,6,1,2,5,4]=>2
[3,6,1,4,2,5]=>3
[3,6,1,4,5,2]=>2
[3,6,1,5,2,4]=>3
[3,6,1,5,4,2]=>2
[3,6,2,1,4,5]=>2
[3,6,2,1,5,4]=>2
[3,6,2,4,1,5]=>3
[3,6,2,4,5,1]=>2
[3,6,2,5,1,4]=>3
[3,6,2,5,4,1]=>2
[3,6,4,1,2,5]=>2
[3,6,4,1,5,2]=>2
[3,6,4,2,1,5]=>2
[3,6,4,2,5,1]=>2
[3,6,4,5,1,2]=>2
[3,6,4,5,2,1]=>2
[3,6,5,1,2,4]=>2
[3,6,5,1,4,2]=>2
[3,6,5,2,1,4]=>2
[3,6,5,2,4,1]=>2
[3,6,5,4,1,2]=>1
[3,6,5,4,2,1]=>1
[4,1,2,3,5,6]=>1
[4,1,2,3,6,5]=>1
[4,1,2,5,3,6]=>2
[4,1,2,5,6,3]=>2
[4,1,2,6,3,5]=>2
[4,1,2,6,5,3]=>2
[4,1,3,2,5,6]=>2
[4,1,3,2,6,5]=>2
[4,1,3,5,2,6]=>2
[4,1,3,5,6,2]=>2
[4,1,3,6,2,5]=>2
[4,1,3,6,5,2]=>2
[4,1,5,2,3,6]=>2
[4,1,5,2,6,3]=>3
[4,1,5,3,2,6]=>2
[4,1,5,3,6,2]=>3
[4,1,5,6,2,3]=>2
[4,1,5,6,3,2]=>2
[4,1,6,2,3,5]=>2
[4,1,6,2,5,3]=>3
[4,1,6,3,2,5]=>2
[4,1,6,3,5,2]=>3
[4,1,6,5,2,3]=>2
[4,1,6,5,3,2]=>2
[4,2,1,3,5,6]=>1
[4,2,1,3,6,5]=>1
[4,2,1,5,3,6]=>2
[4,2,1,5,6,3]=>2
[4,2,1,6,3,5]=>2
[4,2,1,6,5,3]=>2
[4,2,3,1,5,6]=>2
[4,2,3,1,6,5]=>2
[4,2,3,5,1,6]=>2
[4,2,3,5,6,1]=>2
[4,2,3,6,1,5]=>2
[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]=>2
[4,2,5,3,6,1]=>3
[4,2,5,6,1,3]=>2
[4,2,5,6,3,1]=>2
[4,2,6,1,3,5]=>2
[4,2,6,1,5,3]=>3
[4,2,6,3,1,5]=>2
[4,2,6,3,5,1]=>3
[4,2,6,5,1,3]=>2
[4,2,6,5,3,1]=>2
[4,3,1,2,5,6]=>1
[4,3,1,2,6,5]=>1
[4,3,1,5,2,6]=>2
[4,3,1,5,6,2]=>2
[4,3,1,6,2,5]=>2
[4,3,1,6,5,2]=>2
[4,3,2,1,5,6]=>1
[4,3,2,1,6,5]=>1
[4,3,2,5,1,6]=>2
[4,3,2,5,6,1]=>2
[4,3,2,6,1,5]=>2
[4,3,2,6,5,1]=>2
[4,3,5,1,2,6]=>2
[4,3,5,1,6,2]=>3
[4,3,5,2,1,6]=>2
[4,3,5,2,6,1]=>3
[4,3,5,6,1,2]=>2
[4,3,5,6,2,1]=>2
[4,3,6,1,2,5]=>2
[4,3,6,1,5,2]=>3
[4,3,6,2,1,5]=>2
[4,3,6,2,5,1]=>3
[4,3,6,5,1,2]=>2
[4,3,6,5,2,1]=>2
[4,5,1,2,3,6]=>2
[4,5,1,2,6,3]=>2
[4,5,1,3,2,6]=>3
[4,5,1,3,6,2]=>2
[4,5,1,6,2,3]=>2
[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]=>3
[4,5,2,3,6,1]=>2
[4,5,2,6,1,3]=>2
[4,5,2,6,3,1]=>2
[4,5,3,1,2,6]=>2
[4,5,3,1,6,2]=>2
[4,5,3,2,1,6]=>2
[4,5,3,2,6,1]=>2
[4,5,3,6,1,2]=>2
[4,5,3,6,2,1]=>2
[4,5,6,1,2,3]=>1
[4,5,6,1,3,2]=>2
[4,5,6,2,1,3]=>1
[4,5,6,2,3,1]=>2
[4,5,6,3,1,2]=>1
[4,5,6,3,2,1]=>1
[4,6,1,2,3,5]=>2
[4,6,1,2,5,3]=>2
[4,6,1,3,2,5]=>3
[4,6,1,3,5,2]=>2
[4,6,1,5,2,3]=>2
[4,6,1,5,3,2]=>2
[4,6,2,1,3,5]=>2
[4,6,2,1,5,3]=>2
[4,6,2,3,1,5]=>3
[4,6,2,3,5,1]=>2
[4,6,2,5,1,3]=>2
[4,6,2,5,3,1]=>2
[4,6,3,1,2,5]=>2
[4,6,3,1,5,2]=>2
[4,6,3,2,1,5]=>2
[4,6,3,2,5,1]=>2
[4,6,3,5,1,2]=>2
[4,6,3,5,2,1]=>2
[4,6,5,1,2,3]=>1
[4,6,5,1,3,2]=>2
[4,6,5,2,1,3]=>1
[4,6,5,2,3,1]=>2
[4,6,5,3,1,2]=>1
[4,6,5,3,2,1]=>1
[5,1,2,3,4,6]=>1
[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]=>2
[5,1,2,6,4,3]=>2
[5,1,3,2,4,6]=>2
[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]=>2
[5,1,3,6,4,2]=>2
[5,1,4,2,3,6]=>2
[5,1,4,2,6,3]=>3
[5,1,4,3,2,6]=>2
[5,1,4,3,6,2]=>3
[5,1,4,6,2,3]=>2
[5,1,4,6,3,2]=>2
[5,1,6,2,3,4]=>2
[5,1,6,2,4,3]=>3
[5,1,6,3,2,4]=>2
[5,1,6,3,4,2]=>3
[5,1,6,4,2,3]=>2
[5,1,6,4,3,2]=>2
[5,2,1,3,4,6]=>1
[5,2,1,3,6,4]=>2
[5,2,1,4,3,6]=>2
[5,2,1,4,6,3]=>2
[5,2,1,6,3,4]=>2
[5,2,1,6,4,3]=>2
[5,2,3,1,4,6]=>2
[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]=>2
[5,2,3,6,4,1]=>2
[5,2,4,1,3,6]=>2
[5,2,4,1,6,3]=>3
[5,2,4,3,1,6]=>2
[5,2,4,3,6,1]=>3
[5,2,4,6,1,3]=>2
[5,2,4,6,3,1]=>2
[5,2,6,1,3,4]=>2
[5,2,6,1,4,3]=>3
[5,2,6,3,1,4]=>2
[5,2,6,3,4,1]=>3
[5,2,6,4,1,3]=>2
[5,2,6,4,3,1]=>2
[5,3,1,2,4,6]=>1
[5,3,1,2,6,4]=>2
[5,3,1,4,2,6]=>2
[5,3,1,4,6,2]=>2
[5,3,1,6,2,4]=>2
[5,3,1,6,4,2]=>2
[5,3,2,1,4,6]=>1
[5,3,2,1,6,4]=>2
[5,3,2,4,1,6]=>2
[5,3,2,4,6,1]=>2
[5,3,2,6,1,4]=>2
[5,3,2,6,4,1]=>2
[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]=>2
[5,3,4,6,2,1]=>2
[5,3,6,1,2,4]=>2
[5,3,6,1,4,2]=>3
[5,3,6,2,1,4]=>2
[5,3,6,2,4,1]=>3
[5,3,6,4,1,2]=>2
[5,3,6,4,2,1]=>2
[5,4,1,2,3,6]=>1
[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]=>2
[5,4,2,1,3,6]=>1
[5,4,2,1,6,3]=>2
[5,4,2,3,1,6]=>2
[5,4,2,3,6,1]=>2
[5,4,2,6,1,3]=>2
[5,4,2,6,3,1]=>2
[5,4,3,1,2,6]=>1
[5,4,3,1,6,2]=>2
[5,4,3,2,1,6]=>1
[5,4,3,2,6,1]=>2
[5,4,3,6,1,2]=>2
[5,4,3,6,2,1]=>2
[5,4,6,1,2,3]=>2
[5,4,6,1,3,2]=>3
[5,4,6,2,1,3]=>2
[5,4,6,2,3,1]=>3
[5,4,6,3,1,2]=>2
[5,4,6,3,2,1]=>2
[5,6,1,2,3,4]=>1
[5,6,1,2,4,3]=>2
[5,6,1,3,2,4]=>2
[5,6,1,3,4,2]=>2
[5,6,1,4,2,3]=>2
[5,6,1,4,3,2]=>2
[5,6,2,1,3,4]=>1
[5,6,2,1,4,3]=>2
[5,6,2,3,1,4]=>2
[5,6,2,3,4,1]=>2
[5,6,2,4,1,3]=>2
[5,6,2,4,3,1]=>2
[5,6,3,1,2,4]=>1
[5,6,3,1,4,2]=>2
[5,6,3,2,1,4]=>1
[5,6,3,2,4,1]=>2
[5,6,3,4,1,2]=>2
[5,6,3,4,2,1]=>2
[5,6,4,1,2,3]=>1
[5,6,4,1,3,2]=>2
[5,6,4,2,1,3]=>1
[5,6,4,2,3,1]=>2
[5,6,4,3,1,2]=>1
[5,6,4,3,2,1]=>1
[6,1,2,3,4,5]=>1
[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]=>2
[6,1,2,5,4,3]=>2
[6,1,3,2,4,5]=>2
[6,1,3,2,5,4]=>3
[6,1,3,4,2,5]=>2
[6,1,3,4,5,2]=>2
[6,1,3,5,2,4]=>2
[6,1,3,5,4,2]=>2
[6,1,4,2,3,5]=>2
[6,1,4,2,5,3]=>3
[6,1,4,3,2,5]=>2
[6,1,4,3,5,2]=>3
[6,1,4,5,2,3]=>2
[6,1,4,5,3,2]=>2
[6,1,5,2,3,4]=>2
[6,1,5,2,4,3]=>3
[6,1,5,3,2,4]=>2
[6,1,5,3,4,2]=>3
[6,1,5,4,2,3]=>2
[6,1,5,4,3,2]=>2
[6,2,1,3,4,5]=>1
[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]=>2
[6,2,3,1,4,5]=>2
[6,2,3,1,5,4]=>3
[6,2,3,4,1,5]=>2
[6,2,3,4,5,1]=>2
[6,2,3,5,1,4]=>2
[6,2,3,5,4,1]=>2
[6,2,4,1,3,5]=>2
[6,2,4,1,5,3]=>3
[6,2,4,3,1,5]=>2
[6,2,4,3,5,1]=>3
[6,2,4,5,1,3]=>2
[6,2,4,5,3,1]=>2
[6,2,5,1,3,4]=>2
[6,2,5,1,4,3]=>3
[6,2,5,3,1,4]=>2
[6,2,5,3,4,1]=>3
[6,2,5,4,1,3]=>2
[6,2,5,4,3,1]=>2
[6,3,1,2,4,5]=>1
[6,3,1,2,5,4]=>2
[6,3,1,4,2,5]=>2
[6,3,1,4,5,2]=>2
[6,3,1,5,2,4]=>2
[6,3,1,5,4,2]=>2
[6,3,2,1,4,5]=>1
[6,3,2,1,5,4]=>2
[6,3,2,4,1,5]=>2
[6,3,2,4,5,1]=>2
[6,3,2,5,1,4]=>2
[6,3,2,5,4,1]=>2
[6,3,4,1,2,5]=>2
[6,3,4,1,5,2]=>3
[6,3,4,2,1,5]=>2
[6,3,4,2,5,1]=>3
[6,3,4,5,1,2]=>2
[6,3,4,5,2,1]=>2
[6,3,5,1,2,4]=>2
[6,3,5,1,4,2]=>3
[6,3,5,2,1,4]=>2
[6,3,5,2,4,1]=>3
[6,3,5,4,1,2]=>2
[6,3,5,4,2,1]=>2
[6,4,1,2,3,5]=>1
[6,4,1,2,5,3]=>2
[6,4,1,3,2,5]=>2
[6,4,1,3,5,2]=>2
[6,4,1,5,2,3]=>2
[6,4,1,5,3,2]=>2
[6,4,2,1,3,5]=>1
[6,4,2,1,5,3]=>2
[6,4,2,3,1,5]=>2
[6,4,2,3,5,1]=>2
[6,4,2,5,1,3]=>2
[6,4,2,5,3,1]=>2
[6,4,3,1,2,5]=>1
[6,4,3,1,5,2]=>2
[6,4,3,2,1,5]=>1
[6,4,3,2,5,1]=>2
[6,4,3,5,1,2]=>2
[6,4,3,5,2,1]=>2
[6,4,5,1,2,3]=>2
[6,4,5,1,3,2]=>3
[6,4,5,2,1,3]=>2
[6,4,5,2,3,1]=>3
[6,4,5,3,1,2]=>2
[6,4,5,3,2,1]=>2
[6,5,1,2,3,4]=>1
[6,5,1,2,4,3]=>2
[6,5,1,3,2,4]=>2
[6,5,1,3,4,2]=>2
[6,5,1,4,2,3]=>2
[6,5,1,4,3,2]=>2
[6,5,2,1,3,4]=>1
[6,5,2,1,4,3]=>2
[6,5,2,3,1,4]=>2
[6,5,2,3,4,1]=>2
[6,5,2,4,1,3]=>2
[6,5,2,4,3,1]=>2
[6,5,3,1,2,4]=>1
[6,5,3,1,4,2]=>2
[6,5,3,2,1,4]=>1
[6,5,3,2,4,1]=>2
[6,5,3,4,1,2]=>2
[6,5,3,4,2,1]=>2
[6,5,4,1,2,3]=>1
[6,5,4,1,3,2]=>2
[6,5,4,2,1,3]=>1
[6,5,4,2,3,1]=>2
[6,5,4,3,1,2]=>1
[6,5,4,3,2,1]=>1
[5,6,7,1,2,3,4]=>1
[6,7,1,2,3,4,5]=>1
[6,7,4,5,1,2,3]=>2
[7,4,5,6,1,2,3]=>2
[7,5,6,1,2,3,4]=>2
[7,5,6,3,4,1,2]=>3
[7,6,1,2,3,4,5]=>1
[7,6,4,5,1,2,3]=>2
[7,6,5,1,2,3,4]=>1
[7,6,5,3,4,1,2]=>2
[7,6,5,4,1,2,3]=>1
[8,7,5,6,3,4,1,2]=>3
[7,8,5,6,3,4,1,2]=>3
[8,7,6,4,5,1,2,3]=>2
[8,6,7,4,5,1,2,3]=>3
[8,7,4,5,6,1,2,3]=>2
[7,8,4,5,6,1,2,3]=>2
[8,7,6,5,1,2,3,4]=>1
[8,7,5,6,1,2,3,4]=>2
[7,8,5,6,1,2,3,4]=>2
[8,5,6,7,1,2,3,4]=>2
[5,6,7,8,1,2,3,4]=>1
[8,7,6,1,2,3,4,5]=>1
[8,6,7,1,2,3,4,5]=>2
[6,7,8,1,2,3,4,5]=>1
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Description
The number of cyclic valleys and cyclic peaks of a permutation.
This is given by the number of indices $i$ such that $\pi_{i-1} > \pi_i < \pi_{i+1}$ with indices considered cyclically. Equivalently, this is the number of indices $i$ such that $\pi_{i-1} < \pi_i > \pi_{i+1}$ with indices considered cyclically.
This is given by the number of indices $i$ such that $\pi_{i-1} > \pi_i < \pi_{i+1}$ with indices considered cyclically. Equivalently, this is the number of indices $i$ such that $\pi_{i-1} < \pi_i > \pi_{i+1}$ with indices considered cyclically.
Code
def statistic(pi): pi = [pi[-1]] + list(pi) + [pi[0]] return sum( 1 for i in [1..len(pi)-2] if pi[i-1] > pi[i] < pi[i+1] )
Created
Feb 27, 2015 at 15:28 by Christian Stump
Updated
Apr 27, 2018 at 14:50 by Christian Stump
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