A337891 - cp's OEIS frontend

A337891 Array read by descending antidiagonals: T(n,k) is the number of oriented colorings of the faces of a regular n-dimensional orthoplex (cross polytope) using k or fewer colors.

n	a(n)
2	1
3	2
4	1
5	3
6	23
7	1
8	4
9	333
10	22409620
11	1
12	5
13	2916
14	9651199594275
15	629648865588086369152
16	1
17	6
18	16725
19	96076801068337216
20	76983765319971901895960429658208179
21	63433230786931550329738915431918588874940416
22	1

[1, 2, 1, 3, 23, 1, 4, 333, 22409620, 1, 5, 2916, 9651199594275, 629648865588086369152, 1, 6, 16725, 96076801068337216, 76983765319971901895960429658208179, 63433230786931550329738915431918588874940416, 1]

cp's OEIS Frontend

A337891 Array read by descending antidiagonals: T(n,k) is the number of oriented colorings of the faces of a regular n-dimensional orthoplex (cross polytope) using k or fewer colors.

Table of values

List of values