A335109 - cp's OEIS frontend

A335109 Triangle read by rows: T(n,k) is the number of permutations of length n with each cycle of the permutation containing only elements that are identical (mod k), where 1 <= k <= n.

n	a(n)
1	1
2	2
3	1
4	6
5	2
6	1
7	24
8	4
9	2
10	1
11	120
12	12
13	4
14	2
15	1
16	720
17	36
18	8
19	4
20	2
21	1
22	5040
23	144
24	24
25	8
26	4
27	2
28	1
29	40320
30	576
31	72
32	16
33	8
34	4
35	2
36	1
37	362880
38	2880
39	216
40	48
41	16
42	8
43	4
44	2
45	1
46	3628800
47	14400
48	864
49	144
50	32
51	16
52	8
53	4
54	2
55	1

[1, 2, 1, 6, 2, 1, 24, 4, 2, 1, 120, 12, 4, 2, 1, 720, 36, 8, 4, 2, 1, 5040, 144, 24, 8, 4, 2, 1, 40320, 576, 72, 16, 8, 4, 2, 1, 362880, 2880, 216, 48, 16, 8, 4, 2, 1, 3628800, 14400, 864, 144, 32, 16, 8, 4, 2, 1]

cp's OEIS Frontend

A335109 Triangle read by rows: T(n,k) is the number of permutations of length n with each cycle of the permutation containing only elements that are identical (mod k), where 1 <= k <= n.

Table of values

List of values