A198723 - cp's OEIS frontend

A198723 T(n,k) = number of n X k 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.

n	a(n)
1	1
2	1
3	1
4	2
5	4
6	2
7	5
8	34
9	34
10	5
11	15
12	499
13	2027
14	499
15	15
16	52
17	10507
18	232841
19	232841
20	10507
21	52
22	203
23	272410
24	34003792
25	173549032
26	34003792
27	272410
28	203
29	876
30	7817980
31	5315840795
32	141168480719
33	141168480719
34	5315840795
35	7817980
36	876
37	4111

[1, 1, 1, 2, 4, 2, 5, 34, 34, 5, 15, 499, 2027, 499, 15, 52, 10507, 232841, 232841, 10507, 52, 203, 272410, 34003792, 173549032, 34003792, 272410, 203, 876, 7817980, 5315840795, 141168480719, 141168480719, 5315840795, 7817980, 876, 4111]

cp's OEIS Frontend

A198723 T(n,k) = number of n X k 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

List of values