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 | 8 |
| 2 | 88 |
| 3 | 8008 |
| 4 | 808808 |
| 5 | 8008008008 |
| 6 | 80088088088008 |
| 7 | 80008080088008080008 |
| 8 | 8000008008008008008008000008 |
| 9 | 80000080088080088088088008088008000008 |