n | a(n) |
---|---|
1 | 3 |
2 | 12 |
3 | 68 |
4 | 664 |
5 | 13672 |
6 | 560512 |
7 | 51483264 |
8 | 8726974464 |
9 | 3316077264896 |
10 | 2260633288966144 |
11 | 3463290521072435200 |
12 | 9453965541320232534016 |
13 | 58047351977461819763589120 |
14 | 633980080610711649347287646208 |
[3,12,68,664,13672,560512,51483264,8726974464, 3316077264896,2260633288966144, 3463290521072435200,9453965541320232534016, 58047351977461819763589120, 633980080610711649347287646208] |