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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.

A208698 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 2
2 4
3 4
4 6
5 16
6 6
7 9
8 36
9 36
10 10
11 14
12 81
13 98
14 100
15 16
16 22
17 196
18 271
19 358
20 256
21 26
22 35
23 484
24 844
25 1309
26 1152
27 676
28 42
29 56
30 1225
31 2706
32 5524
33 5371
34 3910
35 1764
36 68
37 90
38 3136
39 8977
40 24086
41 30160
42 23637
43 12994
44 4624
45 110
46 145
47 8100
48 30168
49 109599
50 177488
51 177872

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 14, 81, 98, 100, 16, 22, 196, 271, 358, 256, 26, 35, 484, 844, 1309, 1152, 676, 42, 56, 1225, 2706, 5524, 5371, 3910, 1764, 68, 90, 3136, 8977, 24086, 30160, 23637, 12994, 4624, 110, 145, 8100, 30168, 109599, 177488, 177872]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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