A325009 - cp's OEIS frontend

A325009 Triangle read by rows: T(n,k) is the number of unoriented colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns.

n	a(n)
1	1
2	1
3	1
4	4
5	6
6	3
7	1
8	8
9	29
10	52
11	45
12	15
13	1
14	13
15	84
16	297
17	600
18	690
19	420
20	105
21	1
22	19
23	192
24	1116
25	3933
26	8661
27	11970
28	10080
29	4725
30	945
31	1
32	26
33	381
34	3321
35	18080
36	63919
37	150332
38	236978
39	247275
40	163800
41	62370
42	10395
43	1
44	34
45	687
46	8484
47	66645
48	346644
49	1231857
50	3052008
51	5316885
52	6483330
53	5415795
54	2952180
55	945945
56	135135

[1, 1, 1, 4, 6, 3, 1, 8, 29, 52, 45, 15, 1, 13, 84, 297, 600, 690, 420, 105, 1, 19, 192, 1116, 3933, 8661, 11970, 10080, 4725, 945, 1, 26, 381, 3321, 18080, 63919, 150332, 236978, 247275, 163800, 62370, 10395, 1, 34, 687, 8484, 66645, 346644, 1231857, 3052008, 5316885, 6483330, 5415795, 2952180, 945945, 135135]

cp's OEIS Frontend

A325009 Triangle read by rows: T(n,k) is the number of unoriented colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns.

Table of values

List of values