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 | 9 |
| 2 | 11 |
| 3 | 17 |
| 4 | 23 |
| 5 | 2489 |
| 6 | 3371 |
| 7 | 4019 |
| 8 | 29315 |
| 9 | 30237 |
| 10 | 40665 |
| 11 | 101661 |
| 12 | 150125 |