DoubleRisePositionSum on DyckPath
The sum of the positions where an up step is followed by an up step.
Called as CombinatorialStat(x, "DoubleRisePositionSum"). The head's page has its examples.
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Distribution
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FindStat St000976
The sum of the positions of double up-steps of a Dyck path.
| Object | Value |
|---|---|
[1,0,1,0] | 0 |
[1,1,0,0] | 1 |
[1,0,1,0,1,0] | 0 |
[1,0,1,1,0,0] | 3 |
[1,1,0,0,1,0] | 1 |
[1,1,0,1,0,0] | 1 |
[1,1,1,0,0,0] | 3 |
[1,0,1,0,1,0,1,0] | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000976 has the rest.