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 | 31 |
| 2 | 127 |
| 3 | 709 |
| 4 | 1787 |
| 5 | 5381 |
| 6 | 8527 |
| 7 | 15299 |
| 8 | 19577 |
| 9 | 27457 |
| 10 | 42043 |
| 11 | 52711 |
| 12 | 72727 |
| 13 | 87803 |
| 14 | 96797 |
| 15 | 112129 |
| 16 | 137077 |
| 17 | 167449 |
| 18 | 173867 |
| 19 | 219613 |
| 20 | 239489 |
| 21 | 250751 |
| 22 | 285191 |
| 23 | 318211 |
| 24 | 352007 |
| 25 | 401519 |
| 26 | 443419 |
| 27 | 464939 |
| 28 | 490643 |
| 29 | 506683 |
| 30 | 527623 |
| 31 | 648391 |
| 32 | 683873 |
| 33 | 718807 |