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 | 225 |
| 3 | 3375 |
| 4 | 437893890380859375 |
| 5 | 50625 |
| 6 | 6568408355712890625 |
| 7 | 759375 |
| 8 | 8649755859375 |
| 9 | 98526125335693359375 |
| 10 | 10894361101313487863732444325959303199624628177843987941741943359375 |