A225772 - cp's OEIS frontend

A225772 Number of 2-element sets of mapping patterns from n points to themselves; the number of 2-element sets of transformations on n points up to conjugation.

n	a(n)
1	0
2	4
3	67
4	1455
5	41829
6	1540566
7	68342769
8	3540690574
9	209612913688
10	13957423185476
11	1032436318249157
12	83993175608836193
13	7453446303042081363
14	716451740543945322472
15	74159075140708643215135

[0, 4, 67, 1455, 41829, 1540566, 68342769, 3540690574, 209612913688, 13957423185476, 1032436318249157, 83993175608836193, 7453446303042081363, 716451740543945322472, 74159075140708643215135]

cp's OEIS Frontend

A225772 Number of 2-element sets of mapping patterns from n points to themselves; the number of 2-element sets of transformations on n points up to conjugation.

Table of values

List of values