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.

A223276 Rolling icosahedron face footprints: number of n X n 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across an icosahedral edge.

Table of values

n a(n)
1 1
2 15
3 849
4 72279
5 28271577
6 20570223999
7 72981761306721
8 449769396657137031
9 15458246910651549408393
10 798321445297149167278062831

List of values

[1, 15, 849, 72279, 28271577, 20570223999, 72981761306721, 449769396657137031, 15458246910651549408393, 798321445297149167278062831]

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

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