A208201 - cp's OEIS frontend

A208201 T(n,k)=Number of nXk 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.

n	a(n)
1	1
2	2
3	2
4	5
5	14
6	5
7	15
8	178
9	178
10	15
11	51
12	2653
13	10366
14	2653
15	51
16	187
17	41272
18	639701
19	639701
20	41272
21	187
22	715
23	648569
24	39725054
25	156617480
26	39725054
27	648569
28	715
29	2795
30	10215440
31	2468504665
32	38372808893
33	38372808893
34	2468504665
35	10215440
36	2795

[1, 2, 2, 5, 14, 5, 15, 178, 178, 15, 51, 2653, 10366, 2653, 51, 187, 41272, 639701, 639701, 41272, 187, 715, 648569, 39725054, 156617480, 39725054, 648569, 715, 2795, 10215440, 2468504665, 38372808893, 38372808893, 2468504665, 10215440, 2795]

cp's OEIS Frontend

A208201 T(n,k)=Number of nXk 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.

Table of values

List of values