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.

A207949 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 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 10
11 12
12 81
13 102
14 100
15 16
16 16
17 144
18 289
19 370
20 256
21 26
22 20
23 256
24 612
25 1369
26 1232
27 676
28 42
29 25
30 400
31 1296
32 3478
33 5929
34 4238
35 1764
36 68
37 30
38 625
39 2340
40 8836
41 18172
42 26569
43 14406
44 4624
45 110
46 36
47 900
48 4225
49 18330
50 55696
51 98126
52 117649

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 12, 81, 102, 100, 16, 16, 144, 289, 370, 256, 26, 20, 256, 612, 1369, 1232, 676, 42, 25, 400, 1296, 3478, 5929, 4238, 1764, 68, 30, 625, 2340, 8836, 18172, 26569, 14406, 4624, 110, 36, 900, 4225, 18330, 55696, 98126, 117649]