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 | 13 |
| 2 | 12 |
| 3 | 132 |
| 4 | 1518 |
| 5 | 15015 |
| 6 | 204204 |
| 7 | 10444434 |
| 8 | 241879638 |
| 9 | 20340535215 |
| 10 | 242194868916 |
| 11 | 136969856585562 |
| 12 | 2400532020354468 |
| 13 | 484576809394483806 |
| 14 | 200939345091539746692 |