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.

A207242 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 0 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
13 102
14 81
15 14
16 18
17 169
18 283
19 287
20 196
21 21
22 25
23 324
24 699
25 987
26 882
27 441
28 31
29 34
30 625
31 1526
32 2884
33 3866
34 2491
35 961
36 46
37 46
38 1156
39 3355
40 7165
41 13876
42 13494
43 6759
44 2116
45 68
46 62
47 2116
48 6888
49 17929
50 40838
51 58026
52 44730
53 18528

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 102, 81, 14, 18, 169, 283, 287, 196, 21, 25, 324, 699, 987, 882, 441, 31, 34, 625, 1526, 2884, 3866, 2491, 961, 46, 46, 1156, 3355, 7165, 13876, 13494, 6759, 2116, 68, 62, 2116, 6888, 17929, 40838, 58026, 44730, 18528]