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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 60750 |
| 3 | 193002701276968128000000 |
| 4 | 5076574217867350877310882935055477754989937924247841796875000000000000 |