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 | 3 |
| 3 | 4 |
| 4 | 7 |
| 5 | 18 |
| 6 | 30 |
| 7 | 82 |
| 8 | 99 |
| 9 | 105 |
| 10 | 106 |
| 11 | 147 |
| 12 | 334 |
| 13 | 1092 |
| 14 | 1221 |
| 15 | 3705 |
| 16 | 5524 |
| 17 | 30355 |
| 18 | 35962 |