A337884 - cp's OEIS frontend

A337884 Array read by descending antidiagonals: T(n,k) is the number of unoriented colorings of the triangular faces of a regular n-dimensional simplex using k or fewer colors.

n	a(n)
2	1
3	2
4	1
5	3
6	5
7	1
8	4
9	15
10	34
11	1
12	5
13	35
14	792
15	2136
16	1
17	6
18	70
19	10688
20	4977909
21	7013320
22	1
23	7
24	126
25	90005
26	1533771392
27	9930666709494
28	1788782616656
29	1
30	8
31	210
32	533358
33	132597435125
34	234249157811872000
35	12979877431438089379035
36	53304527811667897248
37	1

[1, 2, 1, 3, 5, 1, 4, 15, 34, 1, 5, 35, 792, 2136, 1, 6, 70, 10688, 4977909, 7013320, 1, 7, 126, 90005, 1533771392, 9930666709494, 1788782616656, 1, 8, 210, 533358, 132597435125, 234249157811872000, 12979877431438089379035, 53304527811667897248, 1]

cp's OEIS Frontend

A337884 Array read by descending antidiagonals: T(n,k) is the number of unoriented colorings of the triangular faces of a regular n-dimensional simplex using k or fewer colors.

Table of values

List of values