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 | 10 |
| 3 | 21 |
| 4 | 320 |
| 5 | 2219 |
| 6 | 32218 |
| 7 | 332217 |
| 8 | 3332216 |
| 9 | 33332215 |
| 10 | 333332214 |
| 11 | 3333332213 |