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.

A269088 Number of nX7 binary arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two not more than once.

Table of values

n a(n)
1 72
2 1127
3 18590
4 268289
5 3761534
6 50865307
7 673690710
8 8768989835
9 112658396453
10 1431998499913
11 18044145807959
12 225714076389625
13 2806025783464923
14 34698719581599414
15 427098528675334433
16 5235801241750340793

List of values

[72, 1127, 18590, 268289, 3761534, 50865307, 673690710, 8768989835, 112658396453, 1431998499913, 18044145807959, 225714076389625, 2806025783464923, 34698719581599414, 427098528675334433, 5235801241750340793]

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

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