A184761 - cp's OEIS frontend

A184761 T(n,k)=Half the number of nXk binary arrays with no 1 having an adjacent 1 both above and to its left.

n	a(n)
1	1
2	2
3	2
4	4
5	7
6	4
7	8
8	25
9	25
10	8
11	16
12	89
13	163
14	89
15	16
16	32
17	317
18	1056
19	1056
20	317
21	32
22	64
23	1129
24	6847
25	12397
26	6847
27	1129
28	64
29	128
30	4021
31	44391
32	145778
33	145778
34	44391
35	4021
36	128
37	256
38	14321
39	287802
40	1713803
41	3110914
42	1713803
43	287802
44	14321
45	256
46	512
47	51005
48	1865917

[1, 2, 2, 4, 7, 4, 8, 25, 25, 8, 16, 89, 163, 89, 16, 32, 317, 1056, 1056, 317, 32, 64, 1129, 6847, 12397, 6847, 1129, 64, 128, 4021, 44391, 145778, 145778, 44391, 4021, 128, 256, 14321, 287802, 1713803, 3110914, 1713803, 287802, 14321, 256, 512, 51005, 1865917]

cp's OEIS Frontend

A184761 T(n,k)=Half the number of nXk binary arrays with no 1 having an adjacent 1 both above and to its left.

Table of values

List of values