A325015 - cp's OEIS frontend

A325015 Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthoplex using up to k colors.

n	a(n)
1	1
2	2
3	1
4	3
5	6
6	1
7	4
8	18
9	21
10	1
11	5
12	40
13	201
14	308
15	1
16	6
17	75
18	1076
19	34128
20	180342
21	1
22	7
23	126
24	4025
25	1056576
26	2945136213
27	366975285216
28	1
29	8
30	196
31	11901
32	15303750
33	2932338749408
34	103863386269870076808
35	10316179427644325573474464
36	1

[1, 2, 1, 3, 6, 1, 4, 18, 21, 1, 5, 40, 201, 308, 1, 6, 75, 1076, 34128, 180342, 1, 7, 126, 4025, 1056576, 2945136213, 366975285216, 1, 8, 196, 11901, 15303750, 2932338749408, 103863386269870076808, 10316179427644325573474464, 1]

cp's OEIS Frontend

A325015 Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthoplex using up to k colors.

Table of values

List of values