A069660 - cp's OEIS frontend

A069660 Order of the subgroup of the symmetric group S_n generated by the cycles (1,3) and (1,2,3,...,n).

n	a(n)
3	6
4	8
5	120
6	72
7	5040
8	1152
9	362880
10	28800
11	39916800
12	1036800
13	6227020800
14	50803200
15	1307674368000
16	3251404800
17	355687428096000
18	263363788800
19	121645100408832000
20	26336378880000
21	51090942171709440000
22	3186701844480000
23	25852016738884976640000
24	458885065605120000

[6, 8, 120, 72, 5040, 1152, 362880, 28800, 39916800, 1036800, 6227020800, 50803200, 1307674368000, 3251404800, 355687428096000, 263363788800, 121645100408832000, 26336378880000, 51090942171709440000, 3186701844480000, 25852016738884976640000, 458885065605120000]

cp's OEIS Frontend

A069660 Order of the subgroup of the symmetric group S_n generated by the cycles (1,3) and (1,2,3,...,n).

Table of values

List of values