A184477 - cp's OEIS frontend

A184477 T(n,k)=1/6 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.

n	a(n)
1	315
2	1095
3	1095
4	3705
5	2755
6	3705
7	12339
8	7085
9	7085
10	12339
11	45585
12	19119
13	14119
14	19119
15	45585
16	161739
17	62213
18	30681
19	30681
20	62213
21	161739
22	559305
23	200215
24	86575
25	53739
26	86575
27	200215
28	559305
29	2147931
30	645837
31	249953
32	127689
33	127689
34	249953

[315, 1095, 1095, 3705, 2755, 3705, 12339, 7085, 7085, 12339, 45585, 19119, 14119, 19119, 45585, 161739, 62213, 30681, 30681, 62213, 161739, 559305, 200215, 86575, 53739, 86575, 200215, 559305, 2147931, 645837, 249953, 127689, 127689, 249953]

cp's OEIS Frontend

A184477 T(n,k)=1/6 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.

Table of values

List of values