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.

A223180 Rolling icosahedron footprints: number of n X n 0..11 arrays starting with 0 where 0..11 label vertices of an icosahedron and every array movement to a horizontal, vertical or antidiagonal neighbor moves along an icosahedral edge.

Table of values

n a(n)
1 1
2 20
3 400
4 14560
5 1018720
6 141047120
7 39288329040
8 22231433842560
9 25710310945249680
10 61010814457361940400

List of values

[1, 20, 400, 14560, 1018720, 141047120, 39288329040, 22231433842560, 25710310945249680, 61010814457361940400]

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

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