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 | 256 |
| 2 | 7203 |
| 3 | 400329 |
| 4 | 20442651 |
| 5 | 1074244299 |
| 6 | 56282275743 |
| 7 | 2953363127697 |
| 8 | 154964050219677 |
| 9 | 8131839344628711 |
| 10 | 426724728385684671 |
| 11 | 22392882542866505109 |
| 12 | 1175093728648087275513 |
| 13 | 61664507065517646615231 |