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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.

A302212 T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 2
6 4
7 1
8 11
9 2
10 8
11 1
12 13
13 16
14 3
15 16
16 1
17 34
18 5
19 47
20 6
21 32
22 1
23 65
24 32
25 7
26 147
27 10
28 64
29 1
30 123
31 22
32 111
33 18
34 386
35 21
36 128
37 1
38 266
39 72
40 80
41 448
42 55
43 1065
44 42
45 256
46 1
47 499
48 101
49 424
50 281
51 1725
52 172
53 3063
54 86
55 512
56 1
57 1037
58 216
59 1157
60 1868
61 1395
62 6423
63 575
64 8624
65 179

List of values

[1, 1, 2, 1, 2, 4, 1, 11, 2, 8, 1, 13, 16, 3, 16, 1, 34, 5, 47, 6, 32, 1, 65, 32, 7, 147, 10, 64, 1, 123, 22, 111, 18, 386, 21, 128, 1, 266, 72, 80, 448, 55, 1065, 42, 256, 1, 499, 101, 424, 281, 1725, 172, 3063, 86, 512, 1, 1037, 216, 1157, 1868, 1395, 6423, 575, 8624, 179]