Identifier
Values
[1] => 0
[1,1] => 0
[1,2] => 0
[2,1] => 0
[1,1,1] => 0
[1,1,2] => 0
[1,2,1] => 0
[2,1,1] => 0
[1,1,3] => 0
[1,3,1] => 1
[3,1,1] => 1
[1,2,2] => 0
[2,1,2] => 0
[2,2,1] => 0
[1,2,3] => 0
[1,3,2] => 0
[2,1,3] => 0
[2,3,1] => 0
[3,1,2] => 0
[3,2,1] => 0
[1,1,1,1] => 0
[1,1,1,2] => 0
[1,1,2,1] => 0
[1,2,1,1] => 0
[2,1,1,1] => 0
[1,1,1,3] => 0
[1,1,3,1] => 1
[1,3,1,1] => 1
[3,1,1,1] => 1
[1,1,1,4] => 0
[1,1,4,1] => 0
[1,4,1,1] => 1
[4,1,1,1] => 1
[1,1,2,2] => 0
[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] => 0
[1,1,3,2] => 0
[1,2,1,3] => 0
[1,2,3,1] => 0
[1,3,1,2] => 0
[1,3,2,1] => 0
[2,1,1,3] => 0
[2,1,3,1] => 0
[2,3,1,1] => 0
[3,1,1,2] => 0
[3,1,2,1] => 0
[3,2,1,1] => 0
[1,1,2,4] => 0
[1,1,4,2] => 1
[1,2,1,4] => 0
[1,2,4,1] => 1
[1,4,1,2] => 2
[1,4,2,1] => 2
[2,1,1,4] => 0
[2,1,4,1] => 1
[2,4,1,1] => 1
[4,1,1,2] => 2
[4,1,2,1] => 2
[4,2,1,1] => 2
[1,1,3,3] => 0
[1,3,1,3] => 1
[1,3,3,1] => 1
[3,1,1,3] => 1
[3,1,3,1] => 1
[3,3,1,1] => 1
[1,1,3,4] => 0
[1,1,4,3] => 0
[1,3,1,4] => 1
[1,3,4,1] => 2
[1,4,1,3] => 1
[1,4,3,1] => 2
[3,1,1,4] => 1
[3,1,4,1] => 2
[3,4,1,1] => 2
[4,1,1,3] => 1
[4,1,3,1] => 2
[4,3,1,1] => 2
[1,2,2,2] => 0
[2,1,2,2] => 0
[2,2,1,2] => 0
[2,2,2,1] => 0
[1,2,2,3] => 0
[1,2,3,2] => 0
[1,3,2,2] => 0
[2,1,2,3] => 0
[2,1,3,2] => 0
[2,2,1,3] => 0
[2,2,3,1] => 0
[2,3,1,2] => 0
[2,3,2,1] => 0
[3,1,2,2] => 0
[3,2,1,2] => 0
[3,2,2,1] => 0
[1,2,2,4] => 0
[1,2,4,2] => 1
[1,4,2,2] => 1
[2,1,2,4] => 0
>>> Load all 1069 entries. <<<
search for individual values
searching the database for the individual values of this statistic
/
search for generating function
searching the database for statistics with the same generating function
Description
The number of secondary dinversion pairs of the dyck path corresponding to a parking function.
Code
def statistic(p):
return len(p.secondary_dinversion_pairs())
Created
May 14, 2014 at 19:19 by Camille Zerfas
Updated
Feb 17, 2015 at 17:21 by Martin Rubey
searching the database
Sorry, this statistic was not found in the database
or
add this statistic to the database – it's very simple and we need your support!