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 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 44 |
| 6 | 64 |
| 7 | 83 |
| 8 | 123 |
| 9 | 166 |
| 10 | 381 |
| 11 | 446 |
| 12 | 1221 |
| 13 | 1540 |
| 14 | 3156 |
| 15 | 5117 |
| 16 | 5476 |
| 17 | 6291 |
| 18 | 6353 |
| 19 | 13053 |
| 20 | 15158 |
| 21 | 23904 |
| 22 | 78288 |
| 23 | 82254 |
| 24 | 91230 |