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.

A188562 Number of nX4 binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally.

Table of values

n a(n)
1 13
2 169
3 1383
4 13306
5 127951
6 1204078
7 11433452
8 108485757
9 1028265705
10 9752393774
11 92483653644
12 876991515012
13 8316617769514
14 78866430165460
15 747888040870634
16 7092226692541037
17 67255536562092087
18 637783755852399275

List of values

[13, 169, 1383, 13306, 127951, 1204078, 11433452, 108485757, 1028265705, 9752393774, 92483653644, 876991515012, 8316617769514, 78866430165460, 747888040870634, 7092226692541037, 67255536562092087, 637783755852399275]

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

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