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 | 5 |
| 2 | 89 |
| 3 | 12899 |
| 4 | 35999 |
| 5 | 45569 |
| 6 | 83579 |
| 7 | 108359 |
| 8 | 154769 |
| 9 | 175349 |
| 10 | 196769 |
| 11 | 206009 |
| 12 | 209039 |
| 13 | 303029 |
| 14 | 374009 |
| 15 | 420419 |
| 16 | 489179 |
| 17 | 513239 |
| 18 | 641549 |
| 19 | 658349 |
| 20 | 709589 |
| 21 | 765749 |
| 22 | 775949 |
| 23 | 862769 |
| 24 | 991079 |
| 25 | 1018709 |
| 26 | 1057019 |
| 27 | 1265549 |
| 28 | 1527629 |
| 29 | 1609739 |
| 30 | 1621079 |