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 | 91 |
| 3 | 9111 |
| 4 | 9113 |
| 5 | 911231 |
| 6 | 9112213111 |
| 7 | 911222113113 |
| 8 | 91122312311231 |
| 9 | 9112223111213112213111 |
| 10 | 91122331132111311222113113 |
| 11 | 911222321231211331122312311231 |