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 | 1787 |
| 3 | 8527 |
| 4 | 19577 |
| 5 | 27457 |
| 6 | 42043 |
| 7 | 72727 |
| 8 | 96797 |
| 9 | 112129 |
| 10 | 137077 |
| 11 | 173867 |
| 12 | 239489 |
| 13 | 250751 |
| 14 | 285191 |
| 15 | 352007 |
| 16 | 401519 |
| 17 | 443419 |
| 18 | 464939 |
| 19 | 490643 |
| 20 | 527623 |
| 21 | 683873 |
| 22 | 718807 |
| 23 | 755387 |
| 24 | 839483 |
| 25 | 864013 |
| 26 | 985151 |
| 27 | 1021271 |
| 28 | 1080923 |
| 29 | 1159901 |
| 30 | 1278779 |