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 | 19098 |
| 2 | 199998 |
| 3 | 990999 |
| 4 | 1909098 |
| 5 | 19002998 |
| 6 | 9905999 |
| 7 | 11009094 |
| 8 | 19003098 |
| 9 | 19005098 |
| 10 | 19007098 |
| 11 | 19999998 |
| 12 | 190009098 |
| 13 | 990959999 |
| 14 | 990969999 |
| 15 | 1990029998 |
| 16 | 1990049998 |
| 17 | 1990069998 |
| 18 | 1990089998 |
| 19 | 999079999 |
| 20 | 1999049998 |
| 21 | 1999069998 |