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) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 69 |
| 4 | 603 |
| 5 | 5672 |
| 6 | 53281 |
| 7 | 510523 |
| 8 | 4940488 |
| 9 | 48169672 |
| 10 | 471970959 |
| 11 | 4641157883 |
| 12 | 45764403814 |
| 13 | 452221586920 |
| 14 | 4476140736522 |