A208301 - cp's OEIS frontend

A208301 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 or antidiagonal neighbor (colorings ignoring permutations of colors).

n	a(n)
1	1
2	1
3	2
4	2
5	5
6	5
7	5
8	42
9	52
10	15
11	15
12	602
13	2906
14	877
15	52
16	52
17	12840
18	373780
19	433252
20	21147
21	203
22	203
23	373780
24	87852626
25	656404264
26	113503692
27	678570
28	877
29	877
30	14050312
31	33093356640
32	2227156082842
33	2475181138384
34	46538017584
35	27644437
36	4140

[1, 1, 2, 2, 5, 5, 5, 42, 52, 15, 15, 602, 2906, 877, 52, 52, 12840, 373780, 433252, 21147, 203, 203, 373780, 87852626, 656404264, 113503692, 678570, 877, 877, 14050312, 33093356640, 2227156082842, 2475181138384, 46538017584, 27644437, 4140]

cp's OEIS Frontend

A208301 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 or antidiagonal neighbor (colorings ignoring permutations of colors).

Table of values

List of values