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 | 8 |
| 3 | 271 |
| 4 | 90913 |
| 5 | 165134083 |
| 6 | 861889423083 |
| 7 | 10352781874872853 |
| 8 | 253226977418079364874 |
| 9 | 11542716741789258789499297 |
| 10 | 915461016322959135074642849828 |