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 | 9 |
| 2 | 6889 |
| 3 | 69696 |
| 4 | 698896 |
| 5 | 9696996 |
| 6 | 66699889 |
| 7 | 9669968896 |
| 8 | 669668898889 |
| 9 | 686688996889 |
| 10 | 989698666896 |
| 11 | 86668968686689 |
| 12 | 969896699696888896 |
| 13 | 6869996688989986989889 |
| 14 | 898889698869898988888689 |
| 15 | 969986886696696688968996 |