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 | 22 |
| 2 | 1011112 |
| 3 | 1011113 |
| 4 | 1111213 |
| 5 | 10311233 |
| 6 | 101112213 |