A208054 - cp's OEIS frontend

A208054 T(n,k) = Number of n X k nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	5
8	15
9	15
10	5
11	15
12	203
13	716
14	203
15	15
16	52
17	4140
18	83440
19	83440
20	4140
21	52
22	203
23	115975
24	18171918
25	112073062
26	18171918
27	115975
28	203
29	877
30	4213597
31	6423127757
32	346212384169
33	346212384169
34	6423127757
35	4213597
36	877
37	4140
38	190899322

[1, 1, 1, 2, 2, 2, 5, 15, 15, 5, 15, 203, 716, 203, 15, 52, 4140, 83440, 83440, 4140, 52, 203, 115975, 18171918, 112073062, 18171918, 115975, 203, 877, 4213597, 6423127757, 346212384169, 346212384169, 6423127757, 4213597, 877, 4140, 190899322]

cp's OEIS Frontend

A208054 T(n,k) = Number of n X k nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal, vertical or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

List of values