OccurrencesOf1Over23Openers12 on SetPartition
Occurrences of the pattern 1/23 with 1 and 2 the least elements of their blocks.
Called as CombinatorialStat(x, "OccurrencesOf1Over23Openers12"). The head's page has its examples.
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FindStat St000609
The number of occurrences of the pattern {{1},{2,3}} such that 1,2 are minimal.
| Object | Value |
|---|---|
{{1,2}} | 0 |
{{1,2,3}} | 0 |
{{1},{2}} | 0 |
{{1,2,3,4}} | 0 |
{{1,2},{3}} | 0 |
{{1,3},{2}} | 0 |
{{1},{2,3}} | 1 |
{{1,2,3,4,5}} | 0 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000609 has the rest.