A154238 - cp's OEIS frontend

A154238 Number of orbits of the action g*b = b o (g x g) of the group of permutations g of an n-element set S on the set of closed binary operations b on S.

n	a(n)
0	1
1	1
2	10
3	3411
4	179228736
5	2483590604688125
6	14325593551925794051596768
7	50976900379139614139041610902600299311
8	155682086692129060007763454017522652304844346252853248

[1, 1, 10, 3411, 179228736, 2483590604688125, 14325593551925794051596768, 50976900379139614139041610902600299311, 155682086692129060007763454017522652304844346252853248]

cp's OEIS Frontend

A154238 Number of orbits of the action g*b = b o (g x g) of the group of permutations g of an n-element set S on the set of closed binary operations b on S.

Table of values

List of values