PartsEqualToReversedPart on IntegerComposition
Positions i where the part equals the part at the mirror position.
Andrews, Just and Simay, Anti-palindromic compositions.
Called as CombinatorialStat(x, "PartsEqualToReversedPart"). The head's page has its examples.
Live
Distribution
Over IntegerCompositions at each size, tallied here in your browser; sizes past 6 are not offered.
FindStat St001675
The number of parts equal to the part in the reversed composition.
| Object | Value |
|---|---|
[1] | 1 |
[2] | 1 |
[3] | 1 |
[4] | 1 |
[5] | 1 |
[6] | 1 |
[7] | 1 |
[8] | 1 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St001675 has the rest.