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.

A223181 Rolling icosahedron footprints: number of n X 3 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 25
2 80
3 400
4 2080
5 10880
6 56960
7 298240
8 1561600
9 8176640
10 42813440
11 224174080
12 1173790720
13 6146048000
14 32181125120
15 168502558720
16 882290851840
17 4619734876160
18 24189245849600
19 126656535592960
20 663182230159360

List of values

[25, 80, 400, 2080, 10880, 56960, 298240, 1561600, 8176640, 42813440, 224174080, 1173790720, 6146048000, 32181125120, 168502558720, 882290851840, 4619734876160, 24189245849600, 126656535592960, 663182230159360]