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 | 192 |
| 3 | 2304 |
| 4 | 20480 |
| 5 | 153600 |
| 6 | 1032192 |
| 7 | 6422528 |
| 8 | 37748736 |
| 9 | 212336640 |
| 10 | 1153433600 |
| 11 | 6090129408 |
| 12 | 31406948352 |
| 13 | 158779572224 |
| 14 | 789200240640 |
| 15 | 3865470566400 |
| 16 | 18691697672192 |
| 17 | 89369679495168 |
| 18 | 423037098786816 |
| 19 | 1984618488135680 |
| 20 | 9235897673318400 |
| 21 | 42669847250731008 |
| 22 | 195836215046438912 |