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 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 35 |
| 4 | 60 |
| 5 | 2459 |
| 6 | 2907 |
| 7 | 447758 |
| 8 | 410457 |
| 9 | 237456332 |
| 10 | 154828648 |
| 11 | 342431110933 |
| 12 | 169227858597 |
| 13 | 1508376191950535 |
| 14 | 537887672115734 |