A086501 - cp's OEIS frontend

A086501 Number of non-commuting permutations: number of ordered pairs g, h in Symm(n) such that gh <> hg, i.e., the subgroup is non-Abelian.

n	a(n)
1	0
2	0
3	18
4	456
5	13560
6	510480
7	25326000
8	1624815360
9	131671008000
10	13168037030400
11	1593348686899200
12	229442495919436800
13	38775787414703539200
14	7600054444782928128000
15	1710012252494048735232000

[0, 0, 18, 456, 13560, 510480, 25326000, 1624815360, 131671008000, 13168037030400, 1593348686899200, 229442495919436800, 38775787414703539200, 7600054444782928128000, 1710012252494048735232000]

cp's OEIS Frontend

A086501 Number of non-commuting permutations: number of ordered pairs g, h in Symm(n) such that gh <> hg, i.e., the subgroup is non-Abelian.

Table of values

List of values