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.
n | a(n) |
---|---|
0 | 1 |
1 | 31 |
2 | 930 |
3 | 27900 |
4 | 837000 |
5 | 25110000 |
6 | 753300000 |
7 | 22599000000 |
8 | 677969999535 |
9 | 20339099972100 |
10 | 610172998744965 |
11 | 18305189949807900 |
12 | 549155698118005500 |
13 | 16474670932253220000 |
14 | 494240127628988250000 |
15 | 14827203818711397000000 |