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 | 2 |
| 3 | 7 |
| 4 | 9 |
| 5 | 14 |
| 6 | 24 |
| 7 | 45 |
| 8 | 49 |
| 9 | 73 |
| 10 | 74 |
| 11 | 232 |
| 12 | 338 |
| 13 | 397 |
| 14 | 504 |
| 15 | 1063 |
| 16 | 2817 |
| 17 | 5305 |
| 18 | 16768 |
| 19 | 27060 |