A222616 - cp's OEIS frontend

A222616 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	4
8	3
9	3
10	4
11	5
12	12
13	5
14	12
15	5
16	14
17	40
18	65
19	65
20	40
21	14
22	17
23	149
24	181
25	567
26	181
27	149
28	17
29	75
30	615
31	3545
32	5746
33	5746
34	3545
35	615
36	75
37	95
38	2659
39	11421
40	85511
41	60550
42	85511
43	11421
44	2659
45	95
46	411
47	11641
48	243955
49	1409334
50	2921905
51	2921905
52	1409334

[1, 1, 1, 1, 1, 1, 4, 3, 3, 4, 5, 12, 5, 12, 5, 14, 40, 65, 65, 40, 14, 17, 149, 181, 567, 181, 149, 17, 75, 615, 3545, 5746, 5746, 3545, 615, 75, 95, 2659, 11421, 85511, 60550, 85511, 11421, 2659, 95, 411, 11641, 243955, 1409334, 2921905, 2921905, 1409334]

cp's OEIS Frontend

A222616 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Table of values

List of values