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 | 217 |
| 2 | 341 |
| 3 | 1458 |
| 4 | 2457 |
| 5 | 3059 |
| 6 | 12005 |
| 7 | 27216 |
| 8 | 27683 |
| 9 | 39520 |
| 10 | 41965 |
| 11 | 53128 |
| 12 | 72296 |
| 13 | 115505 |
| 14 | 250559 |
| 15 | 251378 |
| 16 | 251775 |
| 17 | 344728 |
| 18 | 425024 |
| 19 | 476747 |
| 20 | 520000 |
| 21 | 578368 |
| 22 | 584136 |
| 23 | 827099 |
| 24 | 843661 |
| 25 | 1033676 |
| 26 | 1061333 |
| 27 | 1185499 |
| 28 | 1222039 |
| 29 | 1228123 |
| 30 | 1299942 |
| 31 | 1395000 |