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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.

A223320 Rolling icosahedron footprints: number of nX7 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal or antidiagonal neighbor moves along an icosahedral edge.

Table of values

n a(n)
1 15625
2 46411625
3 142980696625
4 443803619416625
5 1379464144963464625
6 4288761014162797342625
7 13334277936752000032650625
8 41458126974532997739670258625
9 128899204399783389165401518452625

List of values

[15625, 46411625, 142980696625, 443803619416625, 1379464144963464625, 4288761014162797342625, 13334277936752000032650625, 41458126974532997739670258625, 128899204399783389165401518452625]

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

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