DiagonalIndex on IntegerPartition
The sum of the contents j - i of the cells.
Called as CombinatorialStat(x, "DiagonalIndex"). The head's page has its examples.
Live
FindStat St000509
The diagonal index (content) of a partition.
| Object | Value |
|---|---|
[2] | 1 |
[3] | 3 |
[4] | 6 |
[5] | 10 |
[6] | 15 |
[7] | 21 |
[8] | 28 |
[9] | 36 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000509 has the rest.