n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 120 |
4 | 1680 |
5 | 36960 |
6 | 5765760 |
7 | 1568286720 |
8 | 536354058240 |
9 | 24672286679040 |
10 | 2861985254768640 |
11 | 2661646286934835200 |
12 | 3545312854197200486400 |
13 | 5814313080883408797696000 |
14 | 10500649424075436288638976000 |
[1,2,6,120,1680,36960,5765760,1568286720, 536354058240,24672286679040,2861985254768640, 2661646286934835200,3545312854197200486400, 5814313080883408797696000, 10500649424075436288638976000] |