A222986 - cp's OEIS frontend

A222986 T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	5
7	4
8	7
9	14
10	14
11	5
12	25
13	43
14	70
15	41
16	14
17	86
18	314
19	584
20	326
21	122
22	17
23	332
24	946
25	4572
26	2903
27	1630
28	365
29	70
30	1172
31	10417
32	42607
33	68385
34	45718
35	8058
36	1094
37	89
38	4566
39	36987
40	414907
41	601407
42	1037326
43	227569
44	40598
45	3281
46	326
47	16562
48	431995
49	4405097

[1, 1, 2, 1, 4, 5, 4, 7, 14, 14, 5, 25, 43, 70, 41, 14, 86, 314, 584, 326, 122, 17, 332, 946, 4572, 2903, 1630, 365, 70, 1172, 10417, 42607, 68385, 45718, 8058, 1094, 89, 4566, 36987, 414907, 601407, 1037326, 227569, 40598, 3281, 326, 16562, 431995, 4405097]

cp's OEIS Frontend

A222986 T(n,k)=Number of nXk 0..2 arrays with no more than floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Table of values

List of values