A228506 - cp's OEIS frontend

A228506 T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	3
8	3
9	3
10	3
11	5
12	5
13	12
14	5
15	5
16	8
17	11
18	29
19	29
20	11
21	8
22	13
23	21
24	88
25	87
26	88
27	21
28	13
29	21
30	43
31	239
32	358
33	358
34	239
35	43
36	21
37	34
38	85
39	684
40	1252
41	2002
42	1252
43	684
44	85
45	34
46	55
47	171
48	1909
49	4749
50	9528
51	9528
52	4749
53	1909
54	171
55	55
56	89
57	341
58	5392
59	17285
60	49101
61	59839
62	49101

[1, 1, 1, 2, 1, 2, 3, 3, 3, 3, 5, 5, 12, 5, 5, 8, 11, 29, 29, 11, 8, 13, 21, 88, 87, 88, 21, 13, 21, 43, 239, 358, 358, 239, 43, 21, 34, 85, 684, 1252, 2002, 1252, 684, 85, 34, 55, 171, 1909, 4749, 9528, 9528, 4749, 1909, 171, 55, 89, 341, 5392, 17285, 49101, 59839, 49101]

cp's OEIS Frontend

A228506 T(n,k)=Number of nXk binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.

Table of values

List of values