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 | 48 |
| 2 | 544 |
| 3 | 7368 |
| 4 | 225112 |
| 5 | 14336176 |
| 6 | 1009920648 |
| 7 | 88480044480 |
| 8 | 8440605282944 |
| 9 | 821388596630712 |