n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 6 |
4 | 160 |
5 | 13125 |
6 | 2544696 |
7 | 978839680 |
8 | 662561095680 |
9 | 724201891583625 |
10 | 1198933986250000000 |
11 | 2861518844725337212416 |
12 | 9468599329204035806822400 |
13 | 42083045149004715366557171125 |
14 | 244738882349978781346230604032000 |
15 | 1821980763196818488550000000000000000 |
[1,1,1,6,160,13125,2544696,978839680,662561095680, 724201891583625,1198933986250000000, 2861518844725337212416,9468599329204035806822400, 42083045149004715366557171125, 244738882349978781346230604032000, 1821980763196818488550000000000000000] |