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 | 16 |
| 2 | 768 |
| 3 | 18432 |
| 4 | 327680 |
| 5 | 4915200 |
| 6 | 66060288 |
| 7 | 822083584 |
| 8 | 9663676416 |
| 9 | 108716359680 |
| 10 | 1181116006400 |
| 11 | 12472585027584 |
| 12 | 128642860449792 |
| 13 | 1300722255659008 |
| 14 | 12930256742645760 |
| 15 | 126663739519795200 |
| 16 | 1224979098644774912 |