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) |
|---|---|
| 2 | 3 |
| 3 | 5 |
| 4 | 12 |
| 5 | 10 |
| 6 | 60 |
| 7 | 24 |
| 8 | 135 |
| 9 | 222 |
| 10 | 329 |
| 11 | 139 |
| 12 | 1749 |
| 13 | 454 |
| 14 | 2716 |
| 15 | 3817 |