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 | 1439 |
| 2 | 2879 |
| 3 | 21599 |
| 4 | 28319 |
| 5 | 96959 |
| 6 | 137279 |
| 7 | 219839 |
| 8 | 429119 |
| 9 | 462719 |
| 10 | 507359 |
| 11 | 571199 |
| 12 | 597599 |
| 13 | 659999 |
| 14 | 700319 |
| 15 | 811199 |
| 16 | 858239 |
| 17 | 861599 |
| 18 | 903359 |
| 19 | 976799 |
| 20 | 982559 |
| 21 | 1014719 |
| 22 | 1017119 |
| 23 | 1067999 |
| 24 | 1115519 |
| 25 | 1333919 |
| 26 | 1342079 |
| 27 | 1837919 |
| 28 | 2029439 |
| 29 | 2034239 |