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.

A189617 T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

Table of values

n a(n)
1 2
2 4
3 4
4 7
5 16
6 8
7 12
8 49
9 64
10 16
11 21
12 144
13 292
14 256
15 32
16 37
17 441
18 1164
19 1723
20 1024
21 64
22 65
23 1369
24 5238
25 8496
26 10327
27 4096
28 128
29 114
30 4225
31 25046
32 50024
33 65160
34 61996
35 16384
36 256
37 200
38 12996
39 116100
40 357323
41 532565
42 515560
43 371641
44 65536
45 512
46 351
47 40000

List of values

[2, 4, 4, 7, 16, 8, 12, 49, 64, 16, 21, 144, 292, 256, 32, 37, 441, 1164, 1723, 1024, 64, 65, 1369, 5238, 8496, 10327, 4096, 128, 114, 4225, 25046, 50024, 65160, 61996, 16384, 256, 200, 12996, 116100, 357323, 532565, 515560, 371641, 65536, 512, 351, 40000]