n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 15 |
3 | 192 |
4 | 3635 |
5 | 92730 |
6 | 2998366 |
7 | 117857600 |
8 | 5465922021 |
9 | 292505725990 |
10 | 17755023166100 |
11 | 1205937035790936 |
12 | 90649549598544937 |
13 | 7473077539914412930 |
14 | 670529221966656416145 |
15 | 65059053545271098896848 |
[1,2,15,192,3635,92730,2998366,117857600, 5465922021,292505725990,17755023166100, 1205937035790936,90649549598544937, 7473077539914412930,670529221966656416145, 65059053545271098896848] |