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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A304010 T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3 or 5 king-move adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 4
6 1
7 1
8 7
9 7
10 1
11 1
12 13
13 13
14 13
15 1
16 1
17 26
18 21
19 21
20 26
21 1
22 1
23 49
24 27
25 26
26 27
27 49
28 1
29 1
30 99
31 53
32 64
33 64
34 53
35 99
36 1
37 1
38 194
39 99
40 115
41 137
42 115
43 99
44 194
45 1
46 1
47 387
48 197
49 211
50 271
51 271
52 211
53 197
54 387
55 1
56 1
57 773
58 371
59 439
60 655
61 538
62 655
63 439
64 371
65 773
66 1
67 1
68 1538
69 713
70 870

List of values

[1, 1, 1, 1, 4, 1, 1, 7, 7, 1, 1, 13, 13, 13, 1, 1, 26, 21, 21, 26, 1, 1, 49, 27, 26, 27, 49, 1, 1, 99, 53, 64, 64, 53, 99, 1, 1, 194, 99, 115, 137, 115, 99, 194, 1, 1, 387, 197, 211, 271, 271, 211, 197, 387, 1, 1, 773, 371, 439, 655, 538, 655, 439, 371, 773, 1, 1, 1538, 713, 870]