A268886 - cp's OEIS frontend

A268886 T(n,k)=Number of nXk binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.

n	a(n)
1	0
2	1
3	0
4	2
5	5
6	0
7	5
8	14
9	20
10	0
11	10
12	54
13	84
14	71
15	0
16	20
17	158
18	501
19	462
20	235
21	0
22	38
23	475
24	2190
25	4133
26	2418
27	744
28	0
29	71
30	1340
31	9996
32	27130
33	31956
34	12252
35	2285
36	0
37	130
38	3740
39	42362
40	186732
41	317966
42	236960
43	60666
44	6865
45	0
46	235
47	10204
48	178400
49	1187838
50	3283890

[0, 1, 0, 2, 5, 0, 5, 14, 20, 0, 10, 54, 84, 71, 0, 20, 158, 501, 462, 235, 0, 38, 475, 2190, 4133, 2418, 744, 0, 71, 1340, 9996, 27130, 31956, 12252, 2285, 0, 130, 3740, 42362, 186732, 317966, 236960, 60666, 6865, 0, 235, 10204, 178400, 1187838, 3283890]

cp's OEIS Frontend

A268886 T(n,k)=Number of nXk binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

List of values