n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 30 |
4 | 270 |
5 | 4590 |
6 | 151470 |
7 | 9845550 |
8 | 1270075950 |
9 | 326409519150 |
10 | 167448083323950 |
11 | 171634285407048750 |
12 | 351678650799042888750 |
13 | 1440827432323678715208750 |
14 | 11804699153027899713705288750 |
15 | 193419995622362136809061156168750 |
16 | 6338179836549184861096125026493768750 |
[1,2,6,30,270,4590,151470,9845550,1270075950, 326409519150,167448083323950,171634285407048750, 351678650799042888750,1440827432323678715208750, 11804699153027899713705288750, 193419995622362136809061156168750, 6338179836549184861096125026493768750] |