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 | 6 |
| 2 | 66 |
| 3 | 666 |
| 4 | 8646 |
| 5 | 84666 |
| 6 | 886446 |
| 7 | 88864446 |
| 8 | 646686666 |
| 9 | 6488484486 |
| 10 | 8888644446 |
| 11 | 888886444446 |
| 12 | 88888864444446 |
| 13 | 8888888644444446 |
| 14 | 888888886444444446 |
| 15 | 88888888864444444446 |
| 16 | 484888446864684484446 |
| 17 | 8888888888644444444446 |
| 18 | 888888888886444444444446 |