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 | 5 |
| 3 | 457 |
| 4 | 1013 |
| 5 | 2683 |
| 6 | 5413 |
| 7 | 46307 |
| 8 | 51287 |
| 9 | 67433 |
| 10 | 99223 |
| 11 | 116443 |
| 12 | 146603 |
| 13 | 149837 |
| 14 | 159017 |
| 15 | 172373 |
| 16 | 181277 |
| 17 | 187987 |
| 18 | 199523 |
| 19 | 248477 |
| 20 | 249503 |
| 21 | 259163 |
| 22 | 278903 |
| 23 | 279337 |
| 24 | 286333 |
| 25 | 293893 |
| 26 | 294803 |
| 27 | 304813 |
| 28 | 312527 |
| 29 | 315037 |
| 30 | 335743 |
| 31 | 379433 |
| 32 | 392593 |
| 33 | 393713 |