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 | 2 |
| 2 | 2 |
| 3 | 8 |
| 4 | 4 |
| 5 | 2016 |
| 6 | 1350550961316868219904983232715008 |
| 7 | 45663638338374385821895380178233982310400 |
| 8 | 32 |
| 9 | 10515968 |
| 10 | 153189575599610658965347775471616 |
| 11 | 34816 |
| 12 | 116736 |