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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.

A185538 1/6 the number of nX5 0..5 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors.

Table of values

n a(n)
1 11
2 12105
3 4403225
4 2241330570
5 994633804270
6 468362874353295

List of values

[11, 12105, 4403225, 2241330570, 994633804270, 468362874353295]

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

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