n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 78 |
3 | 1560 |
4 | 42120 |
5 | 1432080 |
6 | 58715280 |
7 | 2818333440 |
8 | 155008339200 |
9 | 9610517030400 |
10 | 663125675097600 |
11 | 50397551307417600 |
12 | 4182996758515660800 |
13 | 376469708266409472000 |
14 | 36517561701841718784000 |
15 | 3797826416991538753536000 |
16 | 421558732286060801642496000 |
[1,6,78,1560,42120,1432080,58715280,2818333440, 155008339200,9610517030400,663125675097600, 50397551307417600,4182996758515660800, 376469708266409472000,36517561701841718784000, 3797826416991538753536000, 421558732286060801642496000] |