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.

A207928 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 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 10
11 15
12 81
13 72
14 100
15 16
16 25
17 225
18 144
19 240
20 256
21 26
22 40
23 625
24 360
25 576
26 704
27 676
28 42
29 64
30 1600
31 900
32 1872
33 1936
34 2080
35 1764
36 68
37 104
38 4096
39 2160
40 6084
41 7744
42 6400
43 6216
44 4624
45 110
46 169
47 10816
48 5184
49 18096
50 30976
51 29760
52 21904

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 10, 15, 81, 72, 100, 16, 25, 225, 144, 240, 256, 26, 40, 625, 360, 576, 704, 676, 42, 64, 1600, 900, 1872, 1936, 2080, 1764, 68, 104, 4096, 2160, 6084, 7744, 6400, 6216, 4624, 110, 169, 10816, 5184, 18096, 30976, 29760, 21904]