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.

A208063 Number of n X n 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 2
2 16
3 72
4 576
5 3696
6 26244
7 198000
8 1638400
9 12913840
10 117722500
11 1052059680
12 10059287616
13 97769309736
14 1020075760144
15 10507456855392
16 116747852120064
17 1295601058976256
18 15148523442518244
19 177995312325281880

List of values

[2, 16, 72, 576, 3696, 26244, 198000, 1638400, 12913840, 117722500, 1052059680, 10059287616, 97769309736, 1020075760144, 10507456855392, 116747852120064, 1295601058976256, 15148523442518244, 177995312325281880]