A198661 - cp's OEIS frontend

A198661 T(n,k)=Number of nXk 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.

n	a(n)
1	0
2	1
3	1
4	1
5	3
6	1
7	2
8	14
9	14
10	2
11	3
12	76
13	185
14	76
15	3
16	6
17	488
18	3904
19	3904
20	488
21	6
22	11
23	3521
24	98467
25	344044
26	98467
27	3521
28	11
29	23
30	28030
31	3053286
32	40065880
33	40065880
34	3053286
35	28030
36	23
37	47
38	242883
39	109133049
40	6046334324
41	22693251873
42	6046334324
43	109133049

[0, 1, 1, 1, 3, 1, 2, 14, 14, 2, 3, 76, 185, 76, 3, 6, 488, 3904, 3904, 488, 6, 11, 3521, 98467, 344044, 98467, 3521, 11, 23, 28030, 3053286, 40065880, 40065880, 3053286, 28030, 23, 47, 242883, 109133049, 6046334324, 22693251873, 6046334324, 109133049]

cp's OEIS Frontend

A198661 T(n,k)=Number of nXk 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.

Table of values

List of values