A228754 - cp's OEIS frontend

A228754 T(n,k)=Number of nXk binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	4
7	3
8	9
9	8
10	8
11	5
12	20
13	39
14	21
15	16
16	8
17	50
18	126
19	168
20	55
21	32
22	13
23	119
24	482
25	780
26	723
27	144
28	64
29	21
30	289
31	1712
32	4599
33	4808
34	3111
35	377
36	128
37	34
38	696
39	6277
40	24246
41	43862
42	29608
43	13386
44	987
45	256
46	55
47	1682
48	22700
49	134440
50	342207
51	418370
52	182288
53	57597
54	2584
55	512

[1, 1, 2, 2, 3, 4, 3, 9, 8, 8, 5, 20, 39, 21, 16, 8, 50, 126, 168, 55, 32, 13, 119, 482, 780, 723, 144, 64, 21, 289, 1712, 4599, 4808, 3111, 377, 128, 34, 696, 6277, 24246, 43862, 29608, 13386, 987, 256, 55, 1682, 22700, 134440, 342207, 418370, 182288, 57597, 2584, 512]

cp's OEIS Frontend

A228754 T(n,k)=Number of nXk binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.

Table of values

List of values