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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.

A217270 Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor.

Table of values

n a(n)
1 8
2 3025
3 772800
4 194881600
5 48909857500
6 12276607432401
7 3080781263731464
8 773143936621737444
9 194021789111058265560
10 48690338552261542133284
11 12218954146290231642146852
12 3066376844585908891388914564

List of values

[8, 3025, 772800, 194881600, 48909857500, 12276607432401, 3080781263731464, 773143936621737444, 194021789111058265560, 48690338552261542133284, 12218954146290231642146852, 3066376844585908891388914564]

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

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