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 | 96 |
| 3 | 840 |
| 4 | 9240 |
| 5 | 98280 |
| 6 | 997920 |
| 7 | 8648640 |
| 8 | 99459360 |
| 9 | 994593600 |
| 10 | 9777287520 |
| 11 | 97772875200 |
| 12 | 963761198400 |
| 13 | 9958865716800 |
| 14 | 97821761637600 |
| 15 | 978217616376000 |
| 16 | 9651747148243200 |
| 17 | 98930408269492800 |
| 18 | 994651672331116800 |