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 | 2 |
| 3 | 160 |
| 4 | 285 |
| 5 | 2340 |
| 6 | 2614 |
| 7 | 8903 |
| 8 | 81231 |
| 9 | 171710 |
| 10 | 182712 |
| 11 | 434887 |
| 12 | 2651907 |
| 13 | 56517068 |
| 14 | 143714354 |
| 15 | 922484770 |
| 16 | 5162883263 |
| 17 | 39421525873 |