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 | 24 |
| 2 | 972 |
| 3 | 118592 |
| 4 | 15210414 |
| 5 | 2344956480 |
| 6 | 377420590432 |
| 7 | 67501965869568 |
| 8 | 12329221295657241 |
| 9 | 2383082885396731968 |
| 10 | 467786496795764717088 |
| 11 | 95188347941581635319296 |
| 12 | 19578329367376510676884584 |