Identifier
Identifier
Values
[1] => 0
[1,1] => 0
[1,2] => 1
[2,1] => 0
[1,1,1] => 0
[1,1,2] => 1
[1,2,1] => 0
[2,1,1] => 0
[1,1,3] => 1
[1,3,1] => 2
[3,1,1] => 1
[1,2,2] => 1
[2,1,2] => 0
[2,2,1] => 0
[1,2,3] => 3
[1,3,2] => 2
[2,1,3] => 2
[2,3,1] => 1
[3,1,2] => 1
[3,2,1] => 0
[1,1,1,1] => 0
[1,1,1,2] => 1
[1,1,2,1] => 0
[1,2,1,1] => 0
[2,1,1,1] => 0
[1,1,1,3] => 1
[1,1,3,1] => 2
[1,3,1,1] => 1
[3,1,1,1] => 1
[1,1,1,4] => 1
[1,1,4,1] => 1
[1,4,1,1] => 2
[4,1,1,1] => 1
[1,1,2,2] => 1
[1,2,1,2] => 0
[1,2,2,1] => 0
[2,1,1,2] => 0
[2,1,2,1] => 0
[2,2,1,1] => 0
[1,1,2,3] => 3
[1,1,3,2] => 2
[1,2,1,3] => 2
[1,2,3,1] => 1
[1,3,1,2] => 1
[1,3,2,1] => 0
[2,1,1,3] => 2
[2,1,3,1] => 1
[2,3,1,1] => 1
[3,1,1,2] => 1
[3,1,2,1] => 0
[3,2,1,1] => 0
[1,1,2,4] => 2
[1,1,4,2] => 3
[1,2,1,4] => 1
[1,2,4,1] => 2
[1,4,1,2] => 4
[1,4,2,1] => 3
[2,1,1,4] => 1
[2,1,4,1] => 2
[2,4,1,1] => 1
[4,1,1,2] => 3
[4,1,2,1] => 2
[4,2,1,1] => 2
[1,1,3,3] => 2
[1,3,1,3] => 3
[1,3,3,1] => 2
[3,1,1,3] => 2
[3,1,3,1] => 1
[3,3,1,1] => 1
[1,1,3,4] => 3
[1,1,4,3] => 2
[1,3,1,4] => 4
[1,3,4,1] => 5
[1,4,1,3] => 3
[1,4,3,1] => 4
[3,1,1,4] => 3
[3,1,4,1] => 4
[3,4,1,1] => 3
[4,1,1,3] => 2
[4,1,3,1] => 3
[4,3,1,1] => 2
[1,2,2,2] => 1
[2,1,2,2] => 0
[2,2,1,2] => 0
[2,2,2,1] => 0
[1,2,2,3] => 2
[1,2,3,2] => 1
[1,3,2,2] => 1
[2,1,2,3] => 1
[2,1,3,2] => 0
[2,2,1,3] => 1
[2,2,3,1] => 1
[2,3,1,2] => 0
[2,3,2,1] => 0
[3,1,2,2] => 1
[3,2,1,2] => 0
[3,2,2,1] => 0
[1,2,2,4] => 3
[1,2,4,2] => 4
[1,4,2,2] => 3
[2,1,2,4] => 2
[2,1,4,2] => 3
[2,2,1,4] => 2
[2,2,4,1] => 1
[2,4,1,2] => 2
[2,4,2,1] => 2
[4,1,2,2] => 2
[4,2,1,2] => 1
[4,2,2,1] => 1
[1,2,3,3] => 3
[1,3,2,3] => 2
[1,3,3,2] => 2
[2,1,3,3] => 2
[2,3,1,3] => 1
[2,3,3,1] => 1
[3,1,2,3] => 1
[3,1,3,2] => 1
[3,2,1,3] => 0
[3,2,3,1] => 0
[3,3,1,2] => 1
[3,3,2,1] => 0
[1,2,3,4] => 6
[1,2,4,3] => 5
[1,3,2,4] => 5
[1,3,4,2] => 4
[1,4,2,3] => 4
[1,4,3,2] => 3
[2,1,3,4] => 5
[2,1,4,3] => 4
[2,3,1,4] => 4
[2,3,4,1] => 3
[2,4,1,3] => 3
[2,4,3,1] => 2
[3,1,2,4] => 4
[3,1,4,2] => 3
[3,2,1,4] => 3
[3,2,4,1] => 2
[3,4,1,2] => 2
[3,4,2,1] => 1
[4,1,2,3] => 3
[4,1,3,2] => 2
[4,2,1,3] => 2
[4,2,3,1] => 1
[4,3,1,2] => 1
[4,3,2,1] => 0
click to show generating function       
Description
The dinv of a parking function.
Code
def statistic(x):
    return x.dinv()


Created
Jun 20, 2013 at 12:18 by Chris Berg
Updated
Feb 17, 2015 at 17:38 by Martin Rubey