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.

A207785 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 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 9
11 13
12 81
13 98
14 81
15 13
16 18
17 169
18 257
19 253
20 169
21 19
22 25
23 324
24 611
25 791
26 621
27 361
28 28
29 34
30 625
31 1326
32 2173
33 2200
34 1575
35 784
36 41
37 46
38 1156
39 2815
40 5241
41 6766
42 6418
43 4000
44 1681
45 60
46 62
47 2116
48 5718
49 12567
50 17763
51 22322
52 19041
53 10057
54 3600
55 88
56 83

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 98, 81, 13, 18, 169, 257, 253, 169, 19, 25, 324, 611, 791, 621, 361, 28, 34, 625, 1326, 2173, 2200, 1575, 784, 41, 46, 1156, 2815, 5241, 6766, 6418, 4000, 1681, 60, 62, 2116, 5718, 12567, 17763, 22322, 19041, 10057, 3600, 88, 83]