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.

A207500 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 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 13
12 81
13 102
14 81
15 14
16 18
17 169
18 283
19 297
20 196
21 22
22 25
23 324
24 699
25 1004
26 932
27 484
28 35
29 34
30 625
31 1526
32 2942
33 3939
34 2974
35 1225
36 56
37 46
38 1156
39 3355
40 7305
41 14253
42 15495
43 9723
44 3136
45 90
46 62
47 2116
48 6888
49 17911
50 41938
51 68745
52 62530
53 32164

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 102, 81, 14, 18, 169, 283, 297, 196, 22, 25, 324, 699, 1004, 932, 484, 35, 34, 625, 1526, 2942, 3939, 2974, 1225, 56, 46, 1156, 3355, 7305, 14253, 15495, 9723, 3136, 90, 62, 2116, 6888, 17911, 41938, 68745, 62530, 32164]