A204713 - cp's OEIS frontend

A204713 T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

n	a(n)
1	7
2	13
3	13
4	25
5	33
6	25
7	49
8	81
9	81
10	49
11	97
12	209
13	257
14	209
15	97
16	193
17	529
18	833
19	833
20	529
21	193
22	385
23	1361
24	2689
25	3473
26	2689
27	1361
28	385
29	769
30	3473
31	8705
32	14145
33	14145
34	8705
35	3473
36	769
37	1537
38	8913
39	28161
40	58449
41	73345
42	58449
43	28161
44	8913
45	1537
46	3073
47	22801
48	91137

[7, 13, 13, 25, 33, 25, 49, 81, 81, 49, 97, 209, 257, 209, 97, 193, 529, 833, 833, 529, 193, 385, 1361, 2689, 3473, 2689, 1361, 385, 769, 3473, 8705, 14145, 14145, 8705, 3473, 769, 1537, 8913, 28161, 58449, 73345, 58449, 28161, 8913, 1537, 3073, 22801, 91137]

cp's OEIS Frontend

A204713 T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

Table of values

List of values