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.

A208007 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 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 22
17 196
18 221
19 221
20 196
21 22
22 35
23 484
24 618
25 536
26 618
27 484
28 35
29 56
30 1225
31 1690
32 1711
33 1711
34 1690
35 1225
36 56
37 90
38 3136
39 4861
40 4993
41 7016
42 4993
43 4861
44 3136
45 90
46 145
47 8100
48 13900
49 16742
50 24512
51 24512
52 16742
53 13900

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 14, 81, 92, 81, 14, 22, 196, 221, 221, 196, 22, 35, 484, 618, 536, 618, 484, 35, 56, 1225, 1690, 1711, 1711, 1690, 1225, 56, 90, 3136, 4861, 4993, 7016, 4993, 4861, 3136, 90, 145, 8100, 13900, 16742, 24512, 24512, 16742, 13900]