OccurrencesOf123Or231 on Permutation
Triples ordered as 123 or as 231.
Called as CombinatorialStat(x, "OccurrencesOf123Or231"). The head's page has its examples.
Live
Distribution
Over SymmetricGroup at each size, tallied here in your browser; sizes past 8 are not offered.
FindStat St000427
The number of occurrences of the pattern 123 or of the pattern 231 in a permutation.
| Object | Value |
|---|---|
[1] | 0 |
[1,2] | 0 |
[2,1] | 0 |
[1,2,3] | 1 |
[1,3,2] | 0 |
[2,1,3] | 0 |
[2,3,1] | 1 |
[3,1,2] | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000427 has the rest.