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 | 905 |
| 3 | 18895 |
| 4 | 56287 |
| 5 | 3296885 |
| 6 | 53892169 |
| 7 | 496722329 |
| 8 | 1415354159 |
| 9 | 110690012639 |