cp's OEIS Frontend

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.

A207519 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 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 21
17 196
18 271
19 358
20 256
21 26
22 31
23 441
24 834
25 1307
26 1152
27 676
28 42
29 46
30 961
31 2307
32 5458
33 5369
34 3910
35 1764
36 68
37 68
38 2116
39 6115
40 19909
41 29622
42 23645
43 12994
44 4624
45 110
46 100
47 4624
48 16544
49 68807
50 137719
51 174224

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 14, 81, 98, 100, 16, 21, 196, 271, 358, 256, 26, 31, 441, 834, 1307, 1152, 676, 42, 46, 961, 2307, 5458, 5369, 3910, 1764, 68, 68, 2116, 6115, 19909, 29622, 23645, 12994, 4624, 110, 100, 4624, 16544, 68807, 137719, 174224]