A207997 - cp's OEIS frontend

A207997 T(n,k) = number of n X k 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any horizontal or vertical neighbor (colorings ignoring permutations of colors).

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	2
7	4
8	9
9	9
10	4
11	8
12	27
13	41
14	27
15	8
16	16
17	81
18	187
19	187
20	81
21	16
22	32
23	243
24	853
25	1302
26	853
27	243
28	32
29	64
30	729
31	3891
32	9075
33	9075
34	3891
35	729
36	64
37	128
38	2187
39	17749
40	63267
41	96831
42	63267
43	17749
44	2187
45	128
46	256
47	6561
48	80963
49	441090
50	1034073
51	1034073
52	441090
53	80963

[1, 1, 1, 2, 3, 2, 4, 9, 9, 4, 8, 27, 41, 27, 8, 16, 81, 187, 187, 81, 16, 32, 243, 853, 1302, 853, 243, 32, 64, 729, 3891, 9075, 9075, 3891, 729, 64, 128, 2187, 17749, 63267, 96831, 63267, 17749, 2187, 128, 256, 6561, 80963, 441090, 1034073, 1034073, 441090, 80963]

cp's OEIS Frontend

A207997 T(n,k) = number of n X k 0..2 arrays with new values 0..2 introduced in row major order and no element equal to any horizontal or vertical neighbor (colorings ignoring permutations of colors).

Table of values

List of values