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 | 2089 |
| 2 | 2099863 |
| 3 | 13264529 |
| 4 | 20394401 |
| 5 | 212885833 |
| 6 | 9361973132609 |
| 7 | 1113491139767 |
| 8 | 65993 |
| 9 | 165799 |
| 10 | 1654058017289 |
| 11 | 110211473 |
| 12 | 70084436712553223 |
| 13 | 1489459109360039866456940197095433721664951999121 |
| 14 | 7648337 |
| 15 | 39940132241 |
| 16 | 14732265321145317331353282383 |