n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 200 |
4 | 8820 |
5 | 653184 |
6 | 73180800 |
7 | 11564467200 |
8 | 2451889440000 |
9 | 671854030848000 |
10 | 231125690776780800 |
11 | 97537253236899840000 |
12 | 49549698749529538560000 |
13 | 29829250083328819200000000 |
14 | 20999962511521107738624000000 |
15 | 17094073187896757112117657600000 |
[1,9,200,8820,653184,73180800,11564467200, 2451889440000,671854030848000,231125690776780800, 97537253236899840000,49549698749529538560000, 29829250083328819200000000, 20999962511521107738624000000, 17094073187896757112117657600000] |