BigAscentsAfterPrependingZero on Permutation
Positions of the word 0 p(1) ... p(n) that rise by more than 1, the first entry counted against 0.
Called as CombinatorialStat(x, "BigAscentsAfterPrependingZero"). The head's page has its examples.
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FindStat St000742
The number of big ascents of a permutation after prepending zero.
| Object | Value |
|---|---|
[] | 0 |
[1] | 0 |
[1,2] | 0 |
[2,1] | 1 |
[1,2,3] | 0 |
[1,3,2] | 1 |
[2,1,3] | 2 |
[2,3,1] | 1 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000742 has the rest.