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) |
|---|---|
| 0 | 7 |
| 1 | 878 |
| 2 | 88788 |
| 3 | 8887888 |
| 4 | 888878888 |
| 5 | 88888788888 |
| 6 | 8888887888888 |
| 7 | 888888878888888 |
| 8 | 88888888788888888 |
| 9 | 8888888887888888888 |
| 10 | 888888888878888888888 |
| 11 | 88888888888788888888888 |
| 12 | 8888888888887888888888888 |
| 13 | 888888888888878888888888888 |
| 14 | 88888888888888788888888888888 |
| 15 | 8888888888888887888888888888888 |