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.

A208013 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 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 13
12 81
13 90
14 81
15 12
16 19
17 169
18 261
19 225
20 144
21 16
22 28
23 361
24 624
25 841
26 420
27 256
28 20
29 41
30 784
31 1482
32 2304
33 1943
34 784
35 400
36 25
37 60
38 1681
39 3808
40 6084
41 5952
42 4489
43 1260
44 625
45 30
46 88
47 3600
48 9512
49 18496
50 16224
51 15376
52 8643
53 2025
54 900
55 36
56 129

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 90, 81, 12, 19, 169, 261, 225, 144, 16, 28, 361, 624, 841, 420, 256, 20, 41, 784, 1482, 2304, 1943, 784, 400, 25, 60, 1681, 3808, 6084, 5952, 4489, 1260, 625, 30, 88, 3600, 9512, 18496, 16224, 15376, 8643, 2025, 900, 36, 129]