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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.

A209043 Number of nX4 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it.

Table of values

n a(n)
1 108
2 13644
3 1752148
4 225262148
5 28964458546
6 3724317998214
7 478881915072688
8 61575811582924326
9 7917568966250856112
10 1018060448767393518568
11 130904710995247416149996
12 16832049002507023710858048

List of values

[108, 13644, 1752148, 225262148, 28964458546, 3724317998214, 478881915072688, 61575811582924326, 7917568966250856112, 1018060448767393518568, 130904710995247416149996, 16832049002507023710858048]

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

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