A325011 - cp's OEIS frontend

A325011 Triangle read by rows: T(n,k) is the number of achiral 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	0
3	1
4	4
5	3
6	0
7	1
8	8
9	28
10	36
11	15
12	0
13	1
14	13
15	84
16	282
17	465
18	360
19	105
20	0
21	1
22	19
23	192
24	1110
25	3711
26	7080
27	7560
28	4200
29	945
30	0
31	1
32	26
33	381
34	3320
35	17875
36	60159
37	126728
38	165900
39	130725
40	56700
41	10395
42	0
43	1
44	34
45	687
46	8484
47	66525
48	340929
49	1158102
50	2624748
51	3964905
52	3931200
53	2453220
54	873180
55	135135
56	0

[1, 0, 1, 4, 3, 0, 1, 8, 28, 36, 15, 0, 1, 13, 84, 282, 465, 360, 105, 0, 1, 19, 192, 1110, 3711, 7080, 7560, 4200, 945, 0, 1, 26, 381, 3320, 17875, 60159, 126728, 165900, 130725, 56700, 10395, 0, 1, 34, 687, 8484, 66525, 340929, 1158102, 2624748, 3964905, 3931200, 2453220, 873180, 135135, 0]

cp's OEIS Frontend

A325011 Triangle read by rows: T(n,k) is the number of achiral 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