A247005 - cp's OEIS frontend

A247005 Number A(n,k) of permutations on [n] that are the k-th power of a permutation; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	1
13	6
14	1
15	1
16	1
17	2
18	3
19	24
20	1
21	1
22	1
23	1
24	4
25	12
26	120
27	1
28	1
29	1
30	2
31	3
32	16
33	60
34	720
35	1
36	1
37	1
38	1
39	6
40	9
41	80
42	270
43	5040
44	1
45	1
46	1
47	2
48	1
49	24
50	45
51	400
52	1890
53	40320
54	1
55	1
56	1
57	1
58	6
59	4
60	96
61	225
62	2800
63	14280
64	362880
65	1
66	1
67	1
68	2
69	3
70	24
71	40
72	576
73	1575
74	22400
75	128520
76	3628800
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 6, 1, 1, 1, 2, 3, 24, 1, 1, 1, 1, 4, 12, 120, 1, 1, 1, 2, 3, 16, 60, 720, 1, 1, 1, 1, 6, 9, 80, 270, 5040, 1, 1, 1, 2, 1, 24, 45, 400, 1890, 40320, 1, 1, 1, 1, 6, 4, 96, 225, 2800, 14280, 362880, 1, 1, 1, 2, 3, 24, 40, 576, 1575, 22400, 128520, 3628800, 1]

cp's OEIS Frontend

A247005 Number A(n,k) of permutations on [n] that are the k-th power of a permutation; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values