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.

A207857 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 40
2 1600
3 13230
4 178088
5 2047902
6 24999522
7 298294290
8 3584335104
9 42968437070
10 515629329072
11 6185911022388
12 74218338931926
13 890410143869610
14 10682416271430446
15 128158495357747566
16 1537548202464027744

List of values

[40, 1600, 13230, 178088, 2047902, 24999522, 298294290, 3584335104, 42968437070, 515629329072, 6185911022388, 74218338931926, 890410143869610, 10682416271430446, 128158495357747566, 1537548202464027744]

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

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