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 | 168 |
| 2 | 2688 |
| 3 | 13608 |
| 4 | 43008 |
| 5 | 105000 |
| 6 | 108000 |
| 7 | 217728 |
| 8 | 403368 |
| 9 | 688128 |
| 10 | 1102248 |
| 11 | 1680000 |
| 12 | 1728000 |