A005432 - cp's OEIS frontend

A005432 Number of permutation groups of degree n (or, number of distinct subgroups of symmetric group S_n, counting conjugates as distinct).

n	a(n)
0	1
1	1
2	2
3	6
4	30
5	156
6	1455
7	11300
8	151221
9	1694723
10	29594446
11	404126228
12	10594925360
13	175238308453
14	5651774693595
15	117053117995400
16	5320744503742316
17	125889331236297288
18	7598016157515302757

[1, 1, 2, 6, 30, 156, 1455, 11300, 151221, 1694723, 29594446, 404126228, 10594925360, 175238308453, 5651774693595, 117053117995400, 5320744503742316, 125889331236297288, 7598016157515302757]

cp's OEIS Frontend

A005432 Number of permutation groups of degree n (or, number of distinct subgroups of symmetric group S_n, counting conjugates as distinct).

Table of values

List of values