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 | 64 |
| 2 | 16767 |
| 3 | 26890623 |
| 4 | 1507545109375 |
| 5 | 777562026420218750 |
| 6 | 283435321166212288109372 |