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 | 2 |
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 96 |
| 6 | 6912 |
| 7 | 960 |
| 8 | 16256 |
| 9 | 2013184 |
| 10 | 235520 |
| 11 | 61184 |
| 12 | 125440 |
| 13 | 992256 |
| 14 | 155615232 |
| 15 | 550207488 |
| 16 | 12192710656 |