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 | 1 |
| 2 | 142 |
| 3 | 1400 |
| 4 | 11385 |
| 5 | 101600 |
| 6 | 872437 |
| 7 | 7640541 |
| 8 | 66900727 |
| 9 | 587994968 |
| 10 | 5165646362 |
| 11 | 45386314917 |
| 12 | 398705236904 |
| 13 | 3502774773711 |
| 14 | 30774842966797 |