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 | 8 |
| 2 | 3864 |
| 3 | 1337130 |
| 4 | 438377904 |
| 5 | 142283547000 |
| 6 | 46087307409528 |
| 7 | 14921719105582926 |
| 8 | 4830735371570137800 |