Skip to content

PositionsOfLetterOneIn123 on Permutation ​

Positions that start an occurrence of 123.

On Permutation

Called as CombinatorialStat(x, "PositionsOfLetterOneIn123"). The head's page has its examples.

Live

Distribution

Over SymmetricGroup at each size, tallied here in your browser; sizes past 8 are not offered.

FindStat St001682

The number of distinct positions of the pattern letter 1 in occurrences of 123 in a permutation.

ObjectValue
[1]0
[1,2]0
[2,1]0
[1,2,3]1
[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/St001682 has the rest.