CycleDescents on Permutation
Steps down within the cycles, each written from its smallest point.
Called as CombinatorialStat(x, "CycleDescents"). The head's page has its examples.
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FindStat St000317
The cycle descent number of a permutation.
| Object | Value |
|---|---|
[1] | 0 |
[1,2] | 0 |
[2,1] | 0 |
[1,2,3] | 0 |
[1,3,2] | 0 |
[2,1,3] | 0 |
[2,3,1] | 0 |
[3,1,2] | 1 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000317 has the rest.