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.

A223480 T(n,k)=Rolling icosahedron face footprints: number of nXk 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 3
3 20
4 9
5 27
6 400
7 27
8 135
9 243
10 8000
11 81
12 675
13 2025
14 2187
15 160000
16 243
17 3375
18 16875
19 30375
20 19683
21 3200000
22 729
23 16875
24 147825
25 421875
26 455625
27 177147
28 64000000
29 2187
30 84375
31 1296675
32 6526575
33 10546875
34 6834375
35 1594323
36 1280000000
37 6561
38 421875

List of values

[1, 3, 20, 9, 27, 400, 27, 135, 243, 8000, 81, 675, 2025, 2187, 160000, 243, 3375, 16875, 30375, 19683, 3200000, 729, 16875, 147825, 421875, 455625, 177147, 64000000, 2187, 84375, 1296675, 6526575, 10546875, 6834375, 1594323, 1280000000, 6561, 421875]