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 | 9898898899 |
| 2 | 889898999999 |
| 3 | 889989889889 |
| 4 | 898888889989 |
| 5 | 989899998889 |
| 6 | 999988988989 |
| 7 | 988898889999899 |
| 8 | 989998888989889 |
| 9 | 98888888989989899 |
| 10 | 99999998998988999 |
| 11 | 888898989989989999 |
| 12 | 888998889889898899 |
| 13 | 889888889998888999 |
| 14 | 889888898999988989 |
| 15 | 889988888998998889 |