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.

A209650 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 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 8
11 14
12 81
13 102
14 64
15 10
16 22
17 196
18 270
19 216
20 100
21 12
22 35
23 484
24 798
25 630
26 390
27 144
28 14
29 56
30 1225
31 2354
32 2156
33 1215
34 636
35 196
36 16
37 90
38 3136
39 7210
40 7128
41 4690
42 2079
43 966
44 256
45 18
46 145
47 8100
48 22232
49 24990
50 16830
51 8904
52 3276
53 1392
54 324
55 20
56 234

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 8, 14, 81, 102, 64, 10, 22, 196, 270, 216, 100, 12, 35, 484, 798, 630, 390, 144, 14, 56, 1225, 2354, 2156, 1215, 636, 196, 16, 90, 3136, 7210, 7128, 4690, 2079, 966, 256, 18, 145, 8100, 22232, 24990, 16830, 8904, 3276, 1392, 324, 20, 234]