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.

A207660 Number of nX7 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 42
2 1764
3 8928
4 47320
5 284272
6 1806676
7 12327618
8 87753008
9 651328292
10 4960764186
11 38639433738
12 305186378918
13 2437962689512
14 19615699465126
15 158722646817678
16 1289041298468286
17 10498617133779346
18 85668476633718976

List of values

[42, 1764, 8928, 47320, 284272, 1806676, 12327618, 87753008, 651328292, 4960764186, 38639433738, 305186378918, 2437962689512, 19615699465126, 158722646817678, 1289041298468286, 10498617133779346, 85668476633718976]

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

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