A183688 - cp's OEIS frontend

A183688 T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock nonsingular.

n	a(n)
1	6
2	12
3	12
4	24
5	32
6	24
7	48
8	80
9	80
10	48
11	96
12	208
13	256
14	208
15	96
16	192
17	528
18	832
19	832
20	528
21	192
22	384
23	1360
24	2688
25	3472
26	2688
27	1360
28	384
29	768
30	3472
31	8704
32	14144
33	14144
34	8704
35	3472
36	768
37	1536
38	8912
39	28160
40	58448
41	73344
42	58448
43	28160
44	8912
45	1536
46	3072
47	22800
48	91136

[6, 12, 12, 24, 32, 24, 48, 80, 80, 48, 96, 208, 256, 208, 96, 192, 528, 832, 832, 528, 192, 384, 1360, 2688, 3472, 2688, 1360, 384, 768, 3472, 8704, 14144, 14144, 8704, 3472, 768, 1536, 8912, 28160, 58448, 73344, 58448, 28160, 8912, 1536, 3072, 22800, 91136]

cp's OEIS Frontend

A183688 T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock nonsingular.

Table of values

List of values