A325005 - cp's OEIS frontend

A325005 Array read by descending antidiagonals: A(n,k) is the number of unoriented colorings of the facets of a regular n-dimensional orthotope using up to k colors.

n	a(n)
1	1
2	3
3	1
4	6
5	6
6	1
7	10
8	21
9	10
10	1
11	15
12	55
13	56
14	15
15	1
16	21
17	120
18	220
19	126
20	21
21	1
22	28
23	231
24	680
25	715
26	252
27	28
28	1
29	36
30	406
31	1771
32	3060
33	2002
34	462
35	36
36	1
37	45
38	666
39	4060
40	10626
41	11628
42	5005
43	792
44	45
45	1
46	55
47	1035
48	8436
49	31465
50	53130
51	38760
52	11440
53	1287
54	55
55	1

[1, 3, 1, 6, 6, 1, 10, 21, 10, 1, 15, 55, 56, 15, 1, 21, 120, 220, 126, 21, 1, 28, 231, 680, 715, 252, 28, 1, 36, 406, 1771, 3060, 2002, 462, 36, 1, 45, 666, 4060, 10626, 11628, 5005, 792, 45, 1, 55, 1035, 8436, 31465, 53130, 38760, 11440, 1287, 55, 1]

cp's OEIS Frontend

A325005 Array read by descending antidiagonals: A(n,k) is the number of unoriented colorings of the facets of a regular n-dimensional orthotope using up to k colors.

Table of values

List of values