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.

A207471 Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 42
2 1764
3 12994
4 101233
5 644401
6 3205650
7 16675001
8 76629370
9 345252578
10 1534975920
11 6569471819
12 28198798691
13 119211939368
14 501052508853
15 2103730122314
16 8781162264514
17 36654035342450
18 152721010610871

List of values

[42, 1764, 12994, 101233, 644401, 3205650, 16675001, 76629370, 345252578, 1534975920, 6569471819, 28198798691, 119211939368, 501052508853, 2103730122314, 8781162264514, 36654035342450, 152721010610871]

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

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