A233147 - cp's OEIS frontend

A233147 T(n,k)=Number of nXk 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

n	a(n)
1	1
2	2
3	2
4	6
5	16
6	6
7	23
8	225
9	225
10	23
11	99
12	3727
13	13259
14	3727
15	99
16	452
17	65120
18	845917
19	845917
20	65120
21	452
22	2136
23	1158334
24	54777233
25	198313130
26	54777233
27	1158334
28	2136
29	10313
30	20726079
31	3556749764
32	46648134615
33	46648134615
34	3556749764
35	20726079

[1, 2, 2, 6, 16, 6, 23, 225, 225, 23, 99, 3727, 13259, 3727, 99, 452, 65120, 845917, 845917, 65120, 452, 2136, 1158334, 54777233, 198313130, 54777233, 1158334, 2136, 10313, 20726079, 3556749764, 46648134615, 46648134615, 3556749764, 20726079]

cp's OEIS Frontend

A233147 T(n,k)=Number of nXk 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

List of values