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) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 5 |
| 3 | 94 |
| 4 | 99 |
| 5 | 193 |
| 6 | 292 |
| 7 | 1361 |
| 8 | 1653 |
| 9 | 16238 |
| 10 | 147795 |
| 11 | 311828 |
| 12 | 459623 |
| 13 | 771451 |
| 14 | 1231074 |
| 15 | 3233599 |
| 16 | 23866267 |
| 17 | 27099866 |
| 18 | 50966133 |
| 19 | 383862797 |
| 20 | 4273456900 |
| 21 | 4657319697 |
| 22 | 8930776597 |
| 23 | 13588096294 |
| 24 | 49695065479 |
| 25 | 63283161773 |
| 26 | 429394036117 |
| 27 | 492677197890 |
| 28 | 15209709972817 |
| 29 | 15702387170707 |