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.

A268764 Number of nX6 binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

n a(n)
1 20
2 258
3 2607
4 23156
5 193573
6 1552272
7 12111209
8 92571436
9 696659613
10 5178525870
11 38112289517
12 278191828634
13 2016589831189
14 14532118028260
15 104191269908219
16 743719988895596
17 5288057396240333
18 37470071363668612
19 264689231027772351

List of values

[20, 258, 2607, 23156, 193573, 1552272, 12111209, 92571436, 696659613, 5178525870, 38112289517, 278191828634, 2016589831189, 14532118028260, 104191269908219, 743719988895596, 5288057396240333, 37470071363668612, 264689231027772351]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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