A268766 - cp's OEIS frontend

A268766 T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.

n	a(n)
1	0
2	1
3	1
4	2
5	6
6	2
7	5
8	15
9	15
10	5
11	10
12	44
13	56
14	44
15	10
16	20
17	105
18	223
19	223
20	105
21	20
22	38
23	258
24	762
25	1148
26	762
27	258
28	38
29	71
30	595
31	2607
32	5170
33	5170
34	2607
35	595
36	71
37	130
38	1368
39	8500
40	23156
41	32056
42	23156
43	8500
44	1368
45	130
46	235
47	3069
48	27411
49	99057
50	193573
51	193573
52	99057

[0, 1, 1, 2, 6, 2, 5, 15, 15, 5, 10, 44, 56, 44, 10, 20, 105, 223, 223, 105, 20, 38, 258, 762, 1148, 762, 258, 38, 71, 595, 2607, 5170, 5170, 2607, 595, 71, 130, 1368, 8500, 23156, 32056, 23156, 8500, 1368, 130, 235, 3069, 27411, 99057, 193573, 193573, 99057]

cp's OEIS Frontend

A268766 T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

List of values