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 | 104 |
| 3 | 512 |
| 4 | 1488 |
| 5 | 9680 |
| 6 | 73728 |
| 7 | 603680 |
| 8 | 2508800 |
| 9 | 1085407232 |
| 10 | 29473106432 |
| 11 | 583166845500512 |
| 12 | 18236498181611824400 |