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.

A156566 a(2n+2) = 9*a(2n+1), a(2n+1) = 9*a(2n) - 8^n*A000108(n), a(0)=1.

Table of values

n a(n)
0 1
1 8
2 72
3 640
4 5760
5 51712
6 465408
7 4186112
8 37675008
9 339017728
10 3051159552
11 27459059712
12 247131537408
13 2224149233664
14 20017343102976
15 180155188248576
16 1621396694237184
17 14592546256715776
18 131332916310441984

List of values

[1, 8, 72, 640, 5760, 51712, 465408, 4186112, 37675008, 339017728, 3051159552, 27459059712, 247131537408, 2224149233664, 20017343102976, 180155188248576, 1621396694237184, 14592546256715776, 131332916310441984]