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.

A208420 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.

Table of values

n a(n)
1 2
2 4
3 4
4 6
5 16
6 6
7 10
8 36
9 36
10 9
11 16
12 100
13 102
14 81
15 13
16 26
17 256
18 378
19 261
20 169
21 18
22 42
23 676
24 1260
25 1269
26 611
27 324
28 25
29 68
30 1764
31 4374
32 5139
33 3835
34 1278
35 625
36 34
37 110
38 4624
39 14946
40 22509
41 18395
42 10098
43 2625
44 1156
45 46
46 178
47 12100
48 51384
49 95265
50 100113
51 55404
52 26375

List of values

[2, 4, 4, 6, 16, 6, 10, 36, 36, 9, 16, 100, 102, 81, 13, 26, 256, 378, 261, 169, 18, 42, 676, 1260, 1269, 611, 324, 25, 68, 1764, 4374, 5139, 3835, 1278, 625, 34, 110, 4624, 14946, 22509, 18395, 10098, 2625, 1156, 46, 178, 12100, 51384, 95265, 100113, 55404, 26375]