A206987 - cp's OEIS frontend

A206987 T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.

n	a(n)
1	2
2	4
3	4
4	6
5	16
6	6
7	10
8	36
9	36
10	10
11	16
12	100
13	58
14	100
15	16
16	26
17	256
18	158
19	158
20	256
21	26
22	42
23	676
24	420
25	556
26	420
27	676
28	42
29	68
30	1764
31	1066
32	1866
33	1866
34	1066
35	1764
36	68
37	110
38	4624
39	2754
40	5804
41	7500
42	5804
43	2754
44	4624
45	110
46	178
47	12100
48	7140
49	18528
50	27762
51	27762
52	18528

[2, 4, 4, 6, 16, 6, 10, 36, 36, 10, 16, 100, 58, 100, 16, 26, 256, 158, 158, 256, 26, 42, 676, 420, 556, 420, 676, 42, 68, 1764, 1066, 1866, 1866, 1066, 1764, 68, 110, 4624, 2754, 5804, 7500, 5804, 2754, 4624, 110, 178, 12100, 7140, 18528, 27762, 27762, 18528]

cp's OEIS Frontend

A206987 T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.

Table of values

List of values