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) |
|---|---|
| 2 | 1 |
| 3 | 91 |
| 4 | 9191 |
| 5 | 918191 |
| 6 | 91828191 |
| 7 | 9182728191 |
| 8 | 918273728191 |
| 9 | 91827363728191 |
| 10 | 9182736463728191 |
| 11 | 918273645463728191 |
| 12 | 91827364555463728191 |
| 13 | 9182736455455463728191 |
| 14 | 918273645546455463728191 |