MinimalArcLength on SetPartition
The length of the shortest arc; the number of elements when there is no arc.
FindStat's St000729.
Called as CombinatorialStat(x, "MinimalArcLength"). The head's page has its examples.
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Distribution
Over SetPartitions at each size, tallied here in your browser; sizes past 10 are not offered.
FindStat St000729
The minimal arc length of a set partition.
| Object | Value |
|---|---|
{{1,2}} | 1 |
{{1,2,3}} | 1 |
{{1},{2}} | 2 |
{{1,2,3,4}} | 1 |
{{1,2},{3}} | 1 |
{{1,3},{2}} | 2 |
{{1},{2,3}} | 1 |
{{1,2,3,4,5}} | 1 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000729 has the rest.