n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 25 |
4 | 721 |
5 | 3628801 |
6 | 479001601 |
7 | 20922789888001 |
8 | 6402373705728001 |
9 | 1124000727777607680001 |
10 | 304888344611713860501504000001 |
11 | 265252859812191058636308480000001 |
[0,3,25,721,3628801,479001601,20922789888001, 6402373705728001,1124000727777607680001, 304888344611713860501504000001, 265252859812191058636308480000001] |