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 | 1 |
| 2 | 112 |
| 3 | 111223 |
| 4 | 1111222334 |
| 5 | 111112222333445 |
| 6 | 111111222223333444556 |
| 7 | 1111111222222333334444555667 |
| 8 | 111111112222222333333444445555666778 |
| 9 | 111111111222222223333333444444555556666777889 |