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.

A188866 T(n,k) is the number of n X k binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally.

Table of values

n a(n)
1 2
2 4
3 3
4 8
5 7
6 4
7 16
8 17
9 10
10 5
11 32
12 41
13 26
14 13
15 6
16 64
17 99
18 68
19 35
20 16
21 7
22 128
23 239
24 178
25 95
26 44
27 19
28 8
29 256
30 577
31 466
32 259
33 122
34 53
35 22
36 9
37 512
38 1393
39 1220
40 707
41 340
42 149
43 62
44 25
45 10
46 1024
47 3363
48 3194
49 1931
50 950
51 421
52 176
53 71
54 28
55 11
56 2048
57 8119
58 8362
59 5275
60 2658
61 1193
62 502
63 203
64 80
65 31
66 12

List of values

[2, 4, 3, 8, 7, 4, 16, 17, 10, 5, 32, 41, 26, 13, 6, 64, 99, 68, 35, 16, 7, 128, 239, 178, 95, 44, 19, 8, 256, 577, 466, 259, 122, 53, 22, 9, 512, 1393, 1220, 707, 340, 149, 62, 25, 10, 1024, 3363, 3194, 1931, 950, 421, 176, 71, 28, 11, 2048, 8119, 8362, 5275, 2658, 1193, 502, 203, 80, 31, 12]