A245501 - cp's OEIS frontend

A245501 Number A(n,k) of endofunctions f on [n] such that f^k(i) = f(i) for all i in [n]; 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	4
9	1
10	1
11	1
12	3
13	27
14	1
15	1
16	1
17	4
18	10
19	256
20	1
21	1
22	1
23	3
24	19
25	41
26	3125
27	1
28	1
29	1
30	4
31	12
32	110
33	196
34	46656
35	1
36	1
37	1
38	3
39	19
40	73
41	751
42	1057
43	823543
44	1
45	1
46	1
47	4
48	10
49	116
50	556
51	5902
52	6322
53	16777216
54	1
55	1
56	1
57	3
58	21
59	41
60	901
61	4737
62	52165
63	41393
64	387420489
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 3, 27, 1, 1, 1, 4, 10, 256, 1, 1, 1, 3, 19, 41, 3125, 1, 1, 1, 4, 12, 110, 196, 46656, 1, 1, 1, 3, 19, 73, 751, 1057, 823543, 1, 1, 1, 4, 10, 116, 556, 5902, 6322, 16777216, 1, 1, 1, 3, 21, 41, 901, 4737, 52165, 41393, 387420489, 1]

cp's OEIS Frontend

A245501 Number A(n,k) of endofunctions f on [n] such that f^k(i) = f(i) for all i in [n]; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values