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.

A207599 T(n,k) = Number of n X k 0..1 arrays avoiding 0 0 0 and 0 1 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 15
12 81
13 90
14 64
15 10
16 25
17 225
18 225
19 168
20 100
21 12
22 40
23 625
24 825
25 441
26 270
27 144
28 14
29 64
30 1600
31 3025
32 1995
33 729
34 396
35 196
36 16
37 104
38 4096
39 9240
40 9025
41 3915
42 1089
43 546
44 256
45 18
46 169
47 10816
48 28224
49 30400
50 21025
51 6765
52 1521
53 720
54 324
55 20
56 273

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 8, 15, 81, 90, 64, 10, 25, 225, 225, 168, 100, 12, 40, 625, 825, 441, 270, 144, 14, 64, 1600, 3025, 1995, 729, 396, 196, 16, 104, 4096, 9240, 9025, 3915, 1089, 546, 256, 18, 169, 10816, 28224, 30400, 21025, 6765, 1521, 720, 324, 20, 273]