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 | 5 |
| 2 | 375 |
| 3 | 46875 |
| 4 | 1640625 |
| 5 | 123046875 |
| 6 | 33837890625 |
| 7 | 10997314453125 |
| 8 | 1374664306640625 |
| 9 | 116846466064453125 |
| 10 | 55502071380615234375 |