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.

A202471 T(n,k) = Number of (n+2) X (k+2) binary arrays with no more than two of any consecutive three bits set in any row or column.

Table of values

n a(n)
1 265
2 1573
3 1573
4 9253
5 16561
6 9253
7 54085
8 172197
9 172197
10 54085
11 317179
12 1774281
13 3157010
14 1774281
15 317179
16 1858993
17 18374521
18 57262144
19 57262144
20 18374521
21 1858993
22 10894297
23 190112777
24 1044865367
25 1828904402
26 1044865367
27 190112777
28 10894297

List of values

[265, 1573, 1573, 9253, 16561, 9253, 54085, 172197, 172197, 54085, 317179, 1774281, 3157010, 1774281, 317179, 1858993, 18374521, 57262144, 57262144, 18374521, 1858993, 10894297, 190112777, 1044865367, 1828904402, 1044865367, 190112777, 10894297]