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 | 111 |
| 3 | 331 |
| 4 | 223111 |
| 5 | 222113331 |
| 6 | 332221333111 |
| 7 | 223332111333331 |
| 8 | 222333112331553111 |
| 9 | 332333221112223111225113331 |
| 10 | 223112333222331332113331222115221333111 |