n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 54 |
3 | 818 |
4 | 17360 |
5 | 472484 |
6 | 15666720 |
7 | 612024124 |
8 | 27510397296 |
9 | 1398077638344 |
10 | 79244353102992 |
11 | 4955659123743056 |
12 | 338912510632397056 |
13 | 25160982724710053792 |
14 | 2015185871050013302272 |
15 | 173192799533042315725008 |
[2,6,54,818,17360,472484,15666720,612024124, 27510397296,1398077638344,79244353102992, 4955659123743056,338912510632397056, 25160982724710053792,2015185871050013302272, 173192799533042315725008] |