A268789 - cp's OEIS frontend

A268789 T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.

n	a(n)
1	0
2	1
3	1
4	2
5	5
6	2
7	5
8	17
9	17
10	5
11	10
12	48
13	72
14	48
15	10
16	20
17	131
18	302
19	302
20	131
21	20
22	38
23	338
24	1144
25	1714
26	1144
27	338
28	38
29	71
30	850
31	4207
32	9085
33	9085
34	4207
35	850
36	71
37	130
38	2091
39	14984
40	46195
41	67100
42	46195
43	14984
44	2091
45	130
46	235
47	5061
48	52335
49	228384
50	477128
51	477128
52	228384

[0, 1, 1, 2, 5, 2, 5, 17, 17, 5, 10, 48, 72, 48, 10, 20, 131, 302, 302, 131, 20, 38, 338, 1144, 1714, 1144, 338, 38, 71, 850, 4207, 9085, 9085, 4207, 850, 71, 130, 2091, 14984, 46195, 67100, 46195, 14984, 2091, 130, 235, 5061, 52335, 228384, 477128, 477128, 228384]

cp's OEIS Frontend

A268789 T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

List of values