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) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 9 |
| 3 | 11 |
| 4 | 27 |
| 5 | 29 |
| 6 | 95 |
| 7 | 97 |
| 8 | 121 |
| 9 | 151 |
| 10 | 152 |
| 11 | 215 |
| 12 | 216 |
| 13 | 1613 |
| 14 | 1614 |
| 15 | 2341 |
| 16 | 2342 |
| 17 | 5483 |
| 18 | 5484 |
| 19 | 18061 |
| 20 | 18062 |
| 21 | 29401 |
| 22 | 29402 |