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PeakHeightExcess on DyckPath ​

The sum of the heights of the peaks, less the number of peaks.

On DyckPath

Called as CombinatorialStat(x, "PeakHeightExcess"). The head's page has its examples.

Live

Distribution

Over DyckPaths at each size, tallied here in your browser; sizes past 10 are not offered.

FindStat St000394

The sum of the heights of the peaks of a Dyck path minus the number of peaks.

ObjectValue
[1,0]0
[1,0,1,0]0
[1,1,0,0]1
[1,0,1,0,1,0]0
[1,0,1,1,0,0]1
[1,1,0,0,1,0]1
[1,1,0,1,0,0]2
[1,1,1,0,0,0]2

Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000394 has the rest.