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.

A207068 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 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 14
12 81
13 102
14 64
15 10
16 21
17 196
18 288
19 216
20 100
21 12
22 31
23 441
24 896
25 720
26 390
27 144
28 14
29 46
30 961
31 2499
32 2688
33 1485
34 636
35 196
36 16
37 68
38 2116
39 6634
40 8799
41 6398
42 2709
43 966
44 256
45 18
46 100
47 4624
48 17848
49 27063
50 23856
51 13132
52 4536
53 1392
54 324
55 20
56 147

List of values

[2, 4, 4, 6, 16, 6, 9, 36, 36, 8, 14, 81, 102, 64, 10, 21, 196, 288, 216, 100, 12, 31, 441, 896, 720, 390, 144, 14, 46, 961, 2499, 2688, 1485, 636, 196, 16, 68, 2116, 6634, 8799, 6398, 2709, 966, 256, 18, 100, 4624, 17848, 27063, 23856, 13132, 4536, 1392, 324, 20, 147]