RightToLeftMaxima on Permutation
Positions larger than everything after them.
Called as CombinatorialStat(x, "RightToLeftMaxima"). The head's page has its examples.
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Distribution
Over SymmetricGroup at each size, tallied here in your browser; sizes past 8 are not offered.
FindStat St000007
The number of saliances of the permutation.
| Object | Value |
|---|---|
[] | 0 |
[1] | 1 |
[1,2] | 1 |
[2,1] | 2 |
[1,2,3] | 1 |
[1,3,2] | 2 |
[2,1,3] | 1 |
[2,3,1] | 2 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000007 has the rest.