Identifier
- St000764: Integer compositions ⟶ ℤ
Values
=>
[1]=>1
[1,1]=>1
[2]=>1
[1,1,1]=>1
[1,2]=>2
[2,1]=>1
[3]=>1
[1,1,1,1]=>1
[1,1,2]=>2
[1,2,1]=>2
[1,3]=>2
[2,1,1]=>1
[2,2]=>1
[3,1]=>1
[4]=>1
[1,1,1,1,1]=>1
[1,1,1,2]=>2
[1,1,2,1]=>2
[1,1,3]=>2
[1,2,1,1]=>2
[1,2,2]=>2
[1,3,1]=>2
[1,4]=>2
[2,1,1,1]=>1
[2,1,2]=>1
[2,2,1]=>1
[2,3]=>2
[3,1,1]=>1
[3,2]=>1
[4,1]=>1
[5]=>1
[1,1,1,1,1,1]=>1
[1,1,1,1,2]=>2
[1,1,1,2,1]=>2
[1,1,1,3]=>2
[1,1,2,1,1]=>2
[1,1,2,2]=>2
[1,1,3,1]=>2
[1,1,4]=>2
[1,2,1,1,1]=>2
[1,2,1,2]=>2
[1,2,2,1]=>2
[1,2,3]=>3
[1,3,1,1]=>2
[1,3,2]=>2
[1,4,1]=>2
[1,5]=>2
[2,1,1,1,1]=>1
[2,1,1,2]=>1
[2,1,2,1]=>1
[2,1,3]=>2
[2,2,1,1]=>1
[2,2,2]=>1
[2,3,1]=>2
[2,4]=>2
[3,1,1,1]=>1
[3,1,2]=>1
[3,2,1]=>1
[3,3]=>1
[4,1,1]=>1
[4,2]=>1
[5,1]=>1
[6]=>1
[1,1,1,1,1,1,1]=>1
[1,1,1,1,1,2]=>2
[1,1,1,1,2,1]=>2
[1,1,1,1,3]=>2
[1,1,1,2,1,1]=>2
[1,1,1,2,2]=>2
[1,1,1,3,1]=>2
[1,1,1,4]=>2
[1,1,2,1,1,1]=>2
[1,1,2,1,2]=>2
[1,1,2,2,1]=>2
[1,1,2,3]=>3
[1,1,3,1,1]=>2
[1,1,3,2]=>2
[1,1,4,1]=>2
[1,1,5]=>2
[1,2,1,1,1,1]=>2
[1,2,1,1,2]=>2
[1,2,1,2,1]=>2
[1,2,1,3]=>3
[1,2,2,1,1]=>2
[1,2,2,2]=>2
[1,2,3,1]=>3
[1,2,4]=>3
[1,3,1,1,1]=>2
[1,3,1,2]=>2
[1,3,2,1]=>2
[1,3,3]=>2
[1,4,1,1]=>2
[1,4,2]=>2
[1,5,1]=>2
[1,6]=>2
[2,1,1,1,1,1]=>1
[2,1,1,1,2]=>1
[2,1,1,2,1]=>1
[2,1,1,3]=>2
[2,1,2,1,1]=>1
[2,1,2,2]=>1
[2,1,3,1]=>2
[2,1,4]=>2
[2,2,1,1,1]=>1
[2,2,1,2]=>1
[2,2,2,1]=>1
[2,2,3]=>2
[2,3,1,1]=>2
[2,3,2]=>2
[2,4,1]=>2
[2,5]=>2
[3,1,1,1,1]=>1
[3,1,1,2]=>1
[3,1,2,1]=>1
[3,1,3]=>1
[3,2,1,1]=>1
[3,2,2]=>1
[3,3,1]=>1
[3,4]=>2
[4,1,1,1]=>1
[4,1,2]=>1
[4,2,1]=>1
[4,3]=>1
[5,1,1]=>1
[5,2]=>1
[6,1]=>1
[7]=>1
[1,1,1,1,1,1,1,1]=>1
[1,1,1,1,1,1,2]=>2
[1,1,1,1,1,2,1]=>2
[1,1,1,1,1,3]=>2
[1,1,1,1,2,1,1]=>2
[1,1,1,1,2,2]=>2
[1,1,1,1,3,1]=>2
[1,1,1,1,4]=>2
[1,1,1,2,1,1,1]=>2
[1,1,1,2,1,2]=>2
[1,1,1,2,2,1]=>2
[1,1,1,2,3]=>3
[1,1,1,3,1,1]=>2
[1,1,1,3,2]=>2
[1,1,1,4,1]=>2
[1,1,1,5]=>2
[1,1,2,1,1,1,1]=>2
[1,1,2,1,1,2]=>2
[1,1,2,1,2,1]=>2
[1,1,2,1,3]=>3
[1,1,2,2,1,1]=>2
[1,1,2,2,2]=>2
[1,1,2,3,1]=>3
[1,1,2,4]=>3
[1,1,3,1,1,1]=>2
[1,1,3,1,2]=>2
[1,1,3,2,1]=>2
[1,1,3,3]=>2
[1,1,4,1,1]=>2
[1,1,4,2]=>2
[1,1,5,1]=>2
[1,1,6]=>2
[1,2,1,1,1,1,1]=>2
[1,2,1,1,1,2]=>2
[1,2,1,1,2,1]=>2
[1,2,1,1,3]=>3
[1,2,1,2,1,1]=>2
[1,2,1,2,2]=>2
[1,2,1,3,1]=>3
[1,2,1,4]=>3
[1,2,2,1,1,1]=>2
[1,2,2,1,2]=>2
[1,2,2,2,1]=>2
[1,2,2,3]=>3
[1,2,3,1,1]=>3
[1,2,3,2]=>3
[1,2,4,1]=>3
[1,2,5]=>3
[1,3,1,1,1,1]=>2
[1,3,1,1,2]=>2
[1,3,1,2,1]=>2
[1,3,1,3]=>2
[1,3,2,1,1]=>2
[1,3,2,2]=>2
[1,3,3,1]=>2
[1,3,4]=>3
[1,4,1,1,1]=>2
[1,4,1,2]=>2
[1,4,2,1]=>2
[1,4,3]=>2
[1,5,1,1]=>2
[1,5,2]=>2
[1,6,1]=>2
[1,7]=>2
[2,1,1,1,1,1,1]=>1
[2,1,1,1,1,2]=>1
[2,1,1,1,2,1]=>1
[2,1,1,1,3]=>2
[2,1,1,2,1,1]=>1
[2,1,1,2,2]=>1
[2,1,1,3,1]=>2
[2,1,1,4]=>2
[2,1,2,1,1,1]=>1
[2,1,2,1,2]=>1
[2,1,2,2,1]=>1
[2,1,2,3]=>2
[2,1,3,1,1]=>2
[2,1,3,2]=>2
[2,1,4,1]=>2
[2,1,5]=>2
[2,2,1,1,1,1]=>1
[2,2,1,1,2]=>1
[2,2,1,2,1]=>1
[2,2,1,3]=>2
[2,2,2,1,1]=>1
[2,2,2,2]=>1
[2,2,3,1]=>2
[2,2,4]=>2
[2,3,1,1,1]=>2
[2,3,1,2]=>2
[2,3,2,1]=>2
[2,3,3]=>2
[2,4,1,1]=>2
[2,4,2]=>2
[2,5,1]=>2
[2,6]=>2
[3,1,1,1,1,1]=>1
[3,1,1,1,2]=>1
[3,1,1,2,1]=>1
[3,1,1,3]=>1
[3,1,2,1,1]=>1
[3,1,2,2]=>1
[3,1,3,1]=>1
[3,1,4]=>2
[3,2,1,1,1]=>1
[3,2,1,2]=>1
[3,2,2,1]=>1
[3,2,3]=>1
[3,3,1,1]=>1
[3,3,2]=>1
[3,4,1]=>2
[3,5]=>2
[4,1,1,1,1]=>1
[4,1,1,2]=>1
[4,1,2,1]=>1
[4,1,3]=>1
[4,2,1,1]=>1
[4,2,2]=>1
[4,3,1]=>1
[4,4]=>1
[5,1,1,1]=>1
[5,1,2]=>1
[5,2,1]=>1
[5,3]=>1
[6,1,1]=>1
[6,2]=>1
[7,1]=>1
[8]=>1
[1,1,1,1,1,1,1,1,1]=>1
[1,1,1,1,1,1,1,2]=>2
[1,1,1,1,1,1,2,1]=>2
[1,1,1,1,1,1,3]=>2
[1,1,1,1,1,2,1,1]=>2
[1,1,1,1,1,2,2]=>2
[1,1,1,1,1,3,1]=>2
[1,1,1,1,1,4]=>2
[1,1,1,1,2,1,1,1]=>2
[1,1,1,1,2,1,2]=>2
[1,1,1,1,2,2,1]=>2
[1,1,1,1,2,3]=>3
[1,1,1,1,3,1,1]=>2
[1,1,1,1,3,2]=>2
[1,1,1,1,4,1]=>2
[1,1,1,1,5]=>2
[1,1,1,2,1,1,1,1]=>2
[1,1,1,2,1,1,2]=>2
[1,1,1,2,1,2,1]=>2
[1,1,1,2,1,3]=>3
[1,1,1,2,2,1,1]=>2
[1,1,1,2,2,2]=>2
[1,1,1,2,3,1]=>3
[1,1,1,2,4]=>3
[1,1,1,3,1,1,1]=>2
[1,1,1,3,1,2]=>2
[1,1,1,3,2,1]=>2
[1,1,1,3,3]=>2
[1,1,1,4,1,1]=>2
[1,1,1,4,2]=>2
[1,1,1,5,1]=>2
[1,1,1,6]=>2
[1,1,2,1,1,1,1,1]=>2
[1,1,2,1,1,1,2]=>2
[1,1,2,1,1,2,1]=>2
[1,1,2,1,1,3]=>3
[1,1,2,1,2,1,1]=>2
[1,1,2,1,2,2]=>2
[1,1,2,1,3,1]=>3
[1,1,2,1,4]=>3
[1,1,2,2,1,1,1]=>2
[1,1,2,2,1,2]=>2
[1,1,2,2,2,1]=>2
[1,1,2,2,3]=>3
[1,1,2,3,1,1]=>3
[1,1,2,3,2]=>3
[1,1,2,4,1]=>3
[1,1,2,5]=>3
[1,1,3,1,1,1,1]=>2
[1,1,3,1,1,2]=>2
[1,1,3,1,2,1]=>2
[1,1,3,1,3]=>2
[1,1,3,2,1,1]=>2
[1,1,3,2,2]=>2
[1,1,3,3,1]=>2
[1,1,3,4]=>3
[1,1,4,1,1,1]=>2
[1,1,4,1,2]=>2
[1,1,4,2,1]=>2
[1,1,4,3]=>2
[1,1,5,1,1]=>2
[1,1,5,2]=>2
[1,1,6,1]=>2
[1,1,7]=>2
[1,2,1,1,1,1,1,1]=>2
[1,2,1,1,1,1,2]=>2
[1,2,1,1,1,2,1]=>2
[1,2,1,1,1,3]=>3
[1,2,1,1,2,1,1]=>2
[1,2,1,1,2,2]=>2
[1,2,1,1,3,1]=>3
[1,2,1,1,4]=>3
[1,2,1,2,1,1,1]=>2
[1,2,1,2,1,2]=>2
[1,2,1,2,2,1]=>2
[1,2,1,2,3]=>3
[1,2,1,3,1,1]=>3
[1,2,1,3,2]=>3
[1,2,1,4,1]=>3
[1,2,1,5]=>3
[1,2,2,1,1,1,1]=>2
[1,2,2,1,1,2]=>2
[1,2,2,1,2,1]=>2
[1,2,2,1,3]=>3
[1,2,2,2,1,1]=>2
[1,2,2,2,2]=>2
[1,2,2,3,1]=>3
[1,2,2,4]=>3
[1,2,3,1,1,1]=>3
[1,2,3,1,2]=>3
[1,2,3,2,1]=>3
[1,2,3,3]=>3
[1,2,4,1,1]=>3
[1,2,4,2]=>3
[1,2,5,1]=>3
[1,2,6]=>3
[1,3,1,1,1,1,1]=>2
[1,3,1,1,1,2]=>2
[1,3,1,1,2,1]=>2
[1,3,1,1,3]=>2
[1,3,1,2,1,1]=>2
[1,3,1,2,2]=>2
[1,3,1,3,1]=>2
[1,3,1,4]=>3
[1,3,2,1,1,1]=>2
[1,3,2,1,2]=>2
[1,3,2,2,1]=>2
[1,3,2,3]=>2
[1,3,3,1,1]=>2
[1,3,3,2]=>2
[1,3,4,1]=>3
[1,3,5]=>3
[1,4,1,1,1,1]=>2
[1,4,1,1,2]=>2
[1,4,1,2,1]=>2
[1,4,1,3]=>2
[1,4,2,1,1]=>2
[1,4,2,2]=>2
[1,4,3,1]=>2
[1,4,4]=>2
[1,5,1,1,1]=>2
[1,5,1,2]=>2
[1,5,2,1]=>2
[1,5,3]=>2
[1,6,1,1]=>2
[1,6,2]=>2
[1,7,1]=>2
[1,8]=>2
[2,1,1,1,1,1,1,1]=>1
[2,1,1,1,1,1,2]=>1
[2,1,1,1,1,2,1]=>1
[2,1,1,1,1,3]=>2
[2,1,1,1,2,1,1]=>1
[2,1,1,1,2,2]=>1
[2,1,1,1,3,1]=>2
[2,1,1,1,4]=>2
[2,1,1,2,1,1,1]=>1
[2,1,1,2,1,2]=>1
[2,1,1,2,2,1]=>1
[2,1,1,2,3]=>2
[2,1,1,3,1,1]=>2
[2,1,1,3,2]=>2
[2,1,1,4,1]=>2
[2,1,1,5]=>2
[2,1,2,1,1,1,1]=>1
[2,1,2,1,1,2]=>1
[2,1,2,1,2,1]=>1
[2,1,2,1,3]=>2
[2,1,2,2,1,1]=>1
[2,1,2,2,2]=>1
[2,1,2,3,1]=>2
[2,1,2,4]=>2
[2,1,3,1,1,1]=>2
[2,1,3,1,2]=>2
[2,1,3,2,1]=>2
[2,1,3,3]=>2
[2,1,4,1,1]=>2
[2,1,4,2]=>2
[2,1,5,1]=>2
[2,1,6]=>2
[2,2,1,1,1,1,1]=>1
[2,2,1,1,1,2]=>1
[2,2,1,1,2,1]=>1
[2,2,1,1,3]=>2
[2,2,1,2,1,1]=>1
[2,2,1,2,2]=>1
[2,2,1,3,1]=>2
[2,2,1,4]=>2
[2,2,2,1,1,1]=>1
[2,2,2,1,2]=>1
[2,2,2,2,1]=>1
[2,2,2,3]=>2
[2,2,3,1,1]=>2
[2,2,3,2]=>2
[2,2,4,1]=>2
[2,2,5]=>2
[2,3,1,1,1,1]=>2
[2,3,1,1,2]=>2
[2,3,1,2,1]=>2
[2,3,1,3]=>2
[2,3,2,1,1]=>2
[2,3,2,2]=>2
[2,3,3,1]=>2
[2,3,4]=>3
[2,4,1,1,1]=>2
[2,4,1,2]=>2
[2,4,2,1]=>2
[2,4,3]=>2
[2,5,1,1]=>2
[2,5,2]=>2
[2,6,1]=>2
[2,7]=>2
[3,1,1,1,1,1,1]=>1
[3,1,1,1,1,2]=>1
[3,1,1,1,2,1]=>1
[3,1,1,1,3]=>1
[3,1,1,2,1,1]=>1
[3,1,1,2,2]=>1
[3,1,1,3,1]=>1
[3,1,1,4]=>2
[3,1,2,1,1,1]=>1
[3,1,2,1,2]=>1
[3,1,2,2,1]=>1
[3,1,2,3]=>1
[3,1,3,1,1]=>1
[3,1,3,2]=>1
[3,1,4,1]=>2
[3,1,5]=>2
[3,2,1,1,1,1]=>1
[3,2,1,1,2]=>1
[3,2,1,2,1]=>1
[3,2,1,3]=>1
[3,2,2,1,1]=>1
[3,2,2,2]=>1
[3,2,3,1]=>1
[3,2,4]=>2
[3,3,1,1,1]=>1
[3,3,1,2]=>1
[3,3,2,1]=>1
[3,3,3]=>1
[3,4,1,1]=>2
[3,4,2]=>2
[3,5,1]=>2
[3,6]=>2
[4,1,1,1,1,1]=>1
[4,1,1,1,2]=>1
[4,1,1,2,1]=>1
[4,1,1,3]=>1
[4,1,2,1,1]=>1
[4,1,2,2]=>1
[4,1,3,1]=>1
[4,1,4]=>1
[4,2,1,1,1]=>1
[4,2,1,2]=>1
[4,2,2,1]=>1
[4,2,3]=>1
[4,3,1,1]=>1
[4,3,2]=>1
[4,4,1]=>1
[4,5]=>2
[5,1,1,1,1]=>1
[5,1,1,2]=>1
[5,1,2,1]=>1
[5,1,3]=>1
[5,2,1,1]=>1
[5,2,2]=>1
[5,3,1]=>1
[5,4]=>1
[6,1,1,1]=>1
[6,1,2]=>1
[6,2,1]=>1
[6,3]=>1
[7,1,1]=>1
[7,2]=>1
[8,1]=>1
[9]=>1
[1,1,1,1,1,1,1,1,1,1]=>1
[1,1,1,1,1,1,2,2]=>2
[1,1,1,1,2,1,1,2]=>2
[1,1,1,1,2,2,1,1]=>2
[1,1,1,1,3,3]=>2
[1,1,1,1,5,1]=>2
[1,1,2,1,1,1,1,2]=>2
[1,1,2,1,1,2,1,1]=>2
[1,1,2,1,2,3]=>3
[1,1,2,2,1,1,1,1]=>2
[1,1,2,2,2,2]=>2
[1,1,3,1,1,3]=>2
[1,1,3,2,1,2]=>2
[1,1,3,3,1,1]=>2
[1,1,4,4]=>2
[1,1,7,1]=>2
[1,2,1,1,4,1]=>3
[1,2,6,1]=>3
[1,3,1,1,3,1]=>2
[1,3,5,1]=>3
[1,4,1,1,2,1]=>2
[1,4,4,1]=>2
[1,5,1,1,1,1]=>2
[1,5,3,1]=>2
[1,6,1,2]=>2
[1,6,2,1]=>2
[1,7,1,1]=>2
[1,8,1]=>2
[1,9]=>2
[2,1,1,1,1,1,1,2]=>1
[2,1,1,1,1,2,1,1]=>1
[2,1,1,1,2,3]=>2
[2,1,1,2,1,1,1,1]=>1
[2,1,1,2,2,2]=>1
[2,1,2,1,1,3]=>2
[2,1,2,2,1,2]=>1
[2,1,2,3,1,1]=>2
[2,1,3,4]=>3
[2,1,6,1]=>2
[2,2,1,1,1,1,1,1]=>1
[2,2,1,1,2,2]=>1
[2,2,2,1,1,2]=>1
[2,2,2,2,1,1]=>1
[2,2,3,3]=>2
[3,1,1,1,1,3]=>1
[3,1,1,2,1,2]=>1
[3,1,1,3,1,1]=>1
[3,1,2,4]=>2
[3,2,1,1,1,2]=>1
[3,2,1,2,1,1]=>1
[3,2,2,3]=>1
[3,3,1,1,1,1]=>1
[3,3,2,2]=>1
[4,1,1,4]=>1
[4,2,1,3]=>1
[4,3,1,2]=>1
[4,4,1,1]=>1
[5,5]=>1
[8,1,1]=>1
[9,1]=>1
[1,10]=>2
[1,8,1,1]=>2
[1,7,2,1]=>2
[1,6,3,1]=>2
[1,5,4,1]=>2
[1,4,5,1]=>3
[1,3,6,1]=>3
[1,2,7,1]=>3
[1,1,8,1]=>2
[10,1]=>1
[1,1,1,1,1,1,1,1,1,1,1,1]=>1
[1,1,1,1,1,1,1,1,2,2]=>2
[1,1,1,1,1,1,2,2,1,1]=>2
[1,1,1,1,1,1,2,1,1,2]=>2
[1,1,1,1,1,1,3,3]=>2
[1,1,1,1,2,2,1,1,1,1]=>2
[1,1,1,1,2,2,2,2]=>2
[1,1,1,1,2,1,1,2,1,1]=>2
[1,1,1,1,2,1,1,1,1,2]=>2
[1,1,1,1,2,1,2,3]=>3
[1,1,1,1,3,3,1,1]=>2
[1,1,1,1,3,2,1,2]=>2
[1,1,1,1,3,1,1,3]=>2
[1,1,1,1,4,4]=>2
[1,1,2,2,1,1,1,1,1,1]=>2
[1,1,2,2,1,1,2,2]=>2
[1,1,2,2,2,2,1,1]=>2
[1,1,2,2,2,1,1,2]=>2
[1,1,2,2,3,3]=>3
[1,1,2,1,1,2,1,1,1,1]=>2
[1,1,2,1,1,2,2,2]=>2
[1,1,2,1,1,1,1,2,1,1]=>2
[1,1,2,1,1,1,1,1,1,2]=>2
[1,1,2,1,1,1,2,3]=>3
[1,1,2,1,2,3,1,1]=>3
[1,1,2,1,2,2,1,2]=>2
[1,1,2,1,2,1,1,3]=>3
[1,1,2,1,3,4]=>4
[1,1,3,3,1,1,1,1]=>2
[1,1,3,3,2,2]=>2
[1,1,3,2,1,2,1,1]=>2
[1,1,3,2,1,1,1,2]=>2
[1,1,3,2,2,3]=>2
[1,1,3,1,1,3,1,1]=>2
[1,1,3,1,1,2,1,2]=>2
[1,1,3,1,1,1,1,3]=>2
[1,1,3,1,2,4]=>3
[1,1,4,4,1,1]=>2
[1,1,4,3,1,2]=>2
[1,1,4,2,1,3]=>2
[1,1,4,1,1,4]=>2
[1,1,5,5]=>2
[2,2,1,1,1,1,1,1,1,1]=>1
[2,2,1,1,1,1,2,2]=>1
[2,2,1,1,2,2,1,1]=>1
[2,2,1,1,2,1,1,2]=>1
[2,2,1,1,3,3]=>2
[2,2,2,2,1,1,1,1]=>1
[2,2,2,2,2,2]=>1
[2,2,2,1,1,2,1,1]=>1
[2,2,2,1,1,1,1,2]=>1
[2,2,2,1,2,3]=>2
[2,2,3,3,1,1]=>2
[2,2,3,2,1,2]=>2
[2,2,3,1,1,3]=>2
[2,2,4,4]=>2
[2,1,1,2,1,1,1,1,1,1]=>1
[2,1,1,2,1,1,2,2]=>1
[2,1,1,2,2,2,1,1]=>1
[2,1,1,2,2,1,1,2]=>1
[2,1,1,2,3,3]=>2
[2,1,1,1,1,2,1,1,1,1]=>1
[2,1,1,1,1,2,2,2]=>1
[2,1,1,1,1,1,1,2,1,1]=>1
[2,1,1,1,1,1,1,1,1,2]=>1
[2,1,1,1,1,1,2,3]=>2
[2,1,1,1,2,3,1,1]=>2
[2,1,1,1,2,2,1,2]=>1
[2,1,1,1,2,1,1,3]=>2
[2,1,1,1,3,4]=>3
[2,1,2,3,1,1,1,1]=>2
[2,1,2,3,2,2]=>2
[2,1,2,2,1,2,1,1]=>1
[2,1,2,2,1,1,1,2]=>1
[2,1,2,2,2,3]=>2
[2,1,2,1,1,3,1,1]=>2
[2,1,2,1,1,2,1,2]=>1
[2,1,2,1,1,1,1,3]=>2
[2,1,2,1,2,4]=>2
[2,1,3,4,1,1]=>3
[2,1,3,3,1,2]=>2
[2,1,3,2,1,3]=>2
[2,1,3,1,1,4]=>3
[2,1,4,5]=>3
[3,3,1,1,1,1,1,1]=>1
[3,3,1,1,2,2]=>1
[3,3,2,2,1,1]=>1
[3,3,2,1,1,2]=>1
[3,3,3,3]=>1
[3,2,1,2,1,1,1,1]=>1
[3,2,1,2,2,2]=>1
[3,2,1,1,1,2,1,1]=>1
[3,2,1,1,1,1,1,2]=>1
[3,2,1,1,2,3]=>1
[3,2,2,3,1,1]=>1
[3,2,2,2,1,2]=>1
[3,2,2,1,1,3]=>1
[3,2,3,4]=>2
[3,1,1,3,1,1,1,1]=>1
[3,1,1,3,2,2]=>1
[3,1,1,2,1,2,1,1]=>1
[3,1,1,2,1,1,1,2]=>1
[3,1,1,2,2,3]=>1
[3,1,1,1,1,3,1,1]=>1
[3,1,1,1,1,2,1,2]=>1
[3,1,1,1,1,1,1,3]=>1
[3,1,1,1,2,4]=>2
[3,1,2,4,1,1]=>2
[3,1,2,3,1,2]=>1
[3,1,2,2,1,3]=>1
[3,1,2,1,1,4]=>2
[3,1,3,5]=>2
[4,4,1,1,1,1]=>1
[4,4,2,2]=>1
[4,3,1,2,1,1]=>1
[4,3,1,1,1,2]=>1
[4,3,2,3]=>1
[4,2,1,3,1,1]=>1
[4,2,1,2,1,2]=>1
[4,2,1,1,1,3]=>1
[4,2,2,4]=>1
[4,1,1,4,1,1]=>1
[4,1,1,3,1,2]=>1
[4,1,1,2,1,3]=>1
[4,1,1,1,1,4]=>1
[4,1,2,5]=>2
[5,5,1,1]=>1
[5,4,1,2]=>1
[5,3,1,3]=>1
[5,2,1,4]=>1
[5,1,1,5]=>1
[6,6]=>1
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Description
The number of strong records in an integer composition.
A strong record is an element $a_i$ such that $a_i > a_j$ for all $j < i$. In particular, the first part of a composition is a strong record.
Theorem 1.1 of [1] provides the generating function for compositions with parts in a given set according to the sum of the parts, the number of parts and the number of strong records.
A strong record is an element $a_i$ such that $a_i > a_j$ for all $j < i$. In particular, the first part of a composition is a strong record.
Theorem 1.1 of [1] provides the generating function for compositions with parts in a given set according to the sum of the parts, the number of parts and the number of strong records.
References
[1] Knopfmacher, A., Mansour, T. Record statistics in integer compositions MathSciNet:2721540
Code
def statistic(pi): pi = list(pi) i = 0 res = 0 for j in range(len(pi)): if pi[j] > i: i = pi[j] res += 1 return res
Created
Apr 08, 2017 at 21:56 by Martin Rubey
Updated
Jul 02, 2019 at 22:33 by Martin Rubey
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