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.

A207885 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 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 13
12 81
13 82
14 81
15 14
16 19
17 169
18 221
19 177
20 196
21 22
22 28
23 361
24 493
25 575
26 408
27 484
28 35
29 41
30 784
31 1095
32 1360
33 1673
34 942
35 1225
36 56
37 60
38 1681
39 2654
40 3106
41 4387
42 4881
43 2233
44 3136
45 90
46 88
47 3600
48 6203
49 8652
50 10207
51 14225
52 14825
53 5348
54 8100
55 145
56 129

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 82, 81, 14, 19, 169, 221, 177, 196, 22, 28, 361, 493, 575, 408, 484, 35, 41, 784, 1095, 1360, 1673, 942, 1225, 56, 60, 1681, 2654, 3106, 4387, 4881, 2233, 3136, 90, 88, 3600, 6203, 8652, 10207, 14225, 14825, 5348, 8100, 145, 129]