A284979 - cp's OEIS frontend

A284979 Array a(m, n) giving the number of reversible strings with n beads of m colors, read by antidiagonals.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	3
7	1
8	6
9	6
10	4
11	1
12	10
13	18
14	10
15	5
16	1
17	20
18	45
19	40
20	15
21	6
22	1
23	36
24	135
25	136
26	75
27	21
28	7
29	1
30	72
31	378
32	544
33	325
34	126
35	28
36	8
37	1
38	136
39	1134
40	2080
41	1625
42	666
43	196
44	36
45	9
46	1
47	272
48	3321
49	8320
50	7875
51	3996
52	1225
53	288
54	45
55	10

[1, 1, 2, 1, 3, 3, 1, 6, 6, 4, 1, 10, 18, 10, 5, 1, 20, 45, 40, 15, 6, 1, 36, 135, 136, 75, 21, 7, 1, 72, 378, 544, 325, 126, 28, 8, 1, 136, 1134, 2080, 1625, 666, 196, 36, 9, 1, 272, 3321, 8320, 7875, 3996, 1225, 288, 45, 10]

cp's OEIS Frontend

A284979 Array a(m, n) giving the number of reversible strings with n beads of m colors, read by antidiagonals.

Table of values

List of values