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.

A223476 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 or antidiagonal neighbor moves across an icosahedral edge.

Table of values

n a(n)
1 1
2 27
3 2025
4 421875
5 288507825
6 622332801675
7 4468456626780825
8 104443823338086658275
9 8163685522687864520397825
10 2101858460730043160691131026875

List of values

[1, 27, 2025, 421875, 288507825, 622332801675, 4468456626780825, 104443823338086658275, 8163685522687864520397825, 2101858460730043160691131026875]

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

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