InversionsBetweenExcedancesWithLinkedGreater on Permutation
Pairs i < j < p(j) < p(i) with p^-1(j) < j.
Called as CombinatorialStat(x, "InversionsBetweenExcedancesWithLinkedGreater"). The head's page has its examples.
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FindStat St001550
The number of inversions between exceedances where the greater exceedance is linked.
| 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] | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St001550 has the rest.