A071007 - cp's OEIS frontend

A071007 Number of permutations in the symmetric group S_n such that the maximal cycle has length exactly 3.

n	a(n)
0	0
1	0
2	0
3	2
4	8
5	40
6	200
7	980
8	5152
9	28448
10	162080
11	979000
12	6179360
13	40575392
14	279199648
15	1997406320
16	14825619200
17	114365751040
18	912510870272
19	7521873125408
20	64045101880960
21	561615674345600
22	5067769601121920
23	47023128008540992
24	447820056115824128

[0, 0, 0, 2, 8, 40, 200, 980, 5152, 28448, 162080, 979000, 6179360, 40575392, 279199648, 1997406320, 14825619200, 114365751040, 912510870272, 7521873125408, 64045101880960, 561615674345600, 5067769601121920, 47023128008540992, 447820056115824128]

cp's OEIS Frontend

A071007 Number of permutations in the symmetric group S_n such that the maximal cycle has length exactly 3.

Table of values

List of values