A338142 - cp's OEIS frontend

A338142 Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-D orthotope (or ridges of a regular n-D orthoplex) using exactly k colors. Row n has n*2^(n-1) columns.

n	a(n)
1	1
2	1
3	4
4	9
5	6
6	1
7	216
8	22164
9	613804
10	6901425
11	39713430
12	131754420
13	267165360
14	336798000
15	257796000
16	109771200
17	19958400
18	1
19	22409618
20	9651132365418
21	96038196404417832
22	120785673234798359850

[1, 1, 4, 9, 6, 1, 216, 22164, 613804, 6901425, 39713430, 131754420, 267165360, 336798000, 257796000, 109771200, 19958400, 1, 22409618, 9651132365418, 96038196404417832, 120785673234798359850]

cp's OEIS Frontend

A338142 Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-D orthotope (or ridges of a regular n-D orthoplex) using exactly k colors. Row n has n*2^(n-1) columns.

Table of values

List of values