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.

A207564 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 1 0 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 9
11 14
12 81
13 92
14 81
15 14
16 21
17 196
18 241
19 221
20 196
21 22
22 31
23 441
24 720
25 636
26 618
27 484
28 35
29 46
30 961
31 1889
32 2234
33 2135
34 1690
35 1225
36 56
37 68
38 2116
39 4719
40 6315
41 9568
42 6709
43 4861
44 3136
45 90
46 100
47 4624
48 12102
49 16812
50 32823
51 36426
52 23276
53 13900

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 14, 81, 92, 81, 14, 21, 196, 241, 221, 196, 22, 31, 441, 720, 636, 618, 484, 35, 46, 961, 1889, 2234, 2135, 1690, 1225, 56, 68, 2116, 4719, 6315, 9568, 6709, 4861, 3136, 90, 100, 4624, 12102, 16812, 32823, 36426, 23276, 13900]