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) |
|---|---|
| 0 | 8 |
| 1 | 480 |
| 2 | 12672 |
| 3 | 219648 |
| 4 | 2928640 |
| 5 | 32587776 |
| 6 | 317521920 |
| 7 | 2794192896 |
| 8 | 22682271744 |
| 9 | 172438323200 |
| 10 | 1241555927040 |
| 11 | 8538764083200 |
| 12 | 56469693136896 |
| 13 | 361019918516224 |
| 14 | 2240813287342080 |
| 15 | 13550896696786944 |
| 16 | 80073480481013760 |