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 | 79999 |
| 2 | 89899 |
| 3 | 89989 |
| 4 | 98899 |
| 5 | 179899 |
| 6 | 179989 |
| 7 | 189799 |
| 8 | 189997 |
| 9 | 198997 |
| 10 | 268999 |
| 11 | 277999 |
| 12 | 286999 |
| 13 | 288979 |
| 14 | 288997 |
| 15 | 289789 |
| 16 | 289897 |
| 17 | 289987 |
| 18 | 297889 |
| 19 | 298897 |
| 20 | 299977 |
| 21 | 358999 |
| 22 | 368899 |
| 23 | 369979 |
| 24 | 369997 |
| 25 | 378997 |
| 26 | 379699 |
| 27 | 386989 |
| 28 | 387799 |
| 29 | 388699 |
| 30 | 388789 |