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.

A207368 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 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 18
17 169
18 252
19 225
20 144
21 16
22 25
23 324
24 624
25 784
26 420
27 256
28 20
29 34
30 625
31 1350
32 2304
33 1736
34 784
35 400
36 25
37 46
38 1156
39 3025
40 5625
41 5856
42 3844
43 1260
44 625
45 30
46 62
47 2116
48 6256
49 14641
50 15525
51 14884
52 7130
53 2025
54 900
55 36
56 83

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 90, 81, 12, 18, 169, 252, 225, 144, 16, 25, 324, 624, 784, 420, 256, 20, 34, 625, 1350, 2304, 1736, 784, 400, 25, 46, 1156, 3025, 5625, 5856, 3844, 1260, 625, 30, 62, 2116, 6256, 14641, 15525, 14884, 7130, 2025, 900, 36, 83]