A338115 - cp's OEIS frontend

A338115 Triangle read by rows: T(n,k) is the number of chiral pairs of colorings of the faces (and peaks) of a regular n-dimensional simplex using exactly k colors. Row n has C(n+1,3) columns.

n	a(n)
2	0
3	0
4	0
5	0
6	1
7	0
8	6
9	387
10	6320
11	41350
12	135792
13	246540
14	252000
15	136080
16	30240
17	0
18	1368
19	4771602
20	1503445800
21	124777747050
22	4305186592884
23	77999895773184
24	849555062883744
25	6053648136215400
26	29824571700428400

[0, 0, 0, 0, 1, 0, 6, 387, 6320, 41350, 135792, 246540, 252000, 136080, 30240, 0, 1368, 4771602, 1503445800, 124777747050, 4305186592884, 77999895773184, 849555062883744, 6053648136215400, 29824571700428400]

cp's OEIS Frontend

A338115 Triangle read by rows: T(n,k) is the number of chiral pairs of colorings of the faces (and peaks) of a regular n-dimensional simplex using exactly k colors. Row n has C(n+1,3) columns.

Table of values

List of values