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 | 91 |
| 2 | 141 |
| 3 | 142 |
| 4 | 143 |
| 5 | 212 |
| 6 | 213 |
| 7 | 214 |
| 8 | 323 |
| 9 | 324 |
| 10 | 2302 |
| 11 | 2303 |