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.

A207729 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 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 9
11 15
12 81
13 78
14 81
15 14
16 25
17 225
18 169
19 189
20 196
21 21
22 40
23 625
24 611
25 441
26 490
27 441
28 31
29 64
30 1600
31 2209
32 2163
33 1225
34 1113
35 961
36 46
37 104
38 4096
39 6016
40 10609
41 8575
42 2809
43 2449
44 2116
45 68
46 169
47 10816
48 16384
49 33063
50 60025
51 27931
52 6241
53 5474
54 4624

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 15, 81, 78, 81, 14, 25, 225, 169, 189, 196, 21, 40, 625, 611, 441, 490, 441, 31, 64, 1600, 2209, 2163, 1225, 1113, 961, 46, 104, 4096, 6016, 10609, 8575, 2809, 2449, 2116, 68, 169, 10816, 16384, 33063, 60025, 27931, 6241, 5474, 4624]