n | a(n) |
---|---|
1 | 3 |
2 | 15 |
3 | 120 |
4 | 1320 |
5 | 21120 |
6 | 401280 |
7 | 9630720 |
8 | 260029440 |
9 | 8320942080 |
10 | 324516741120 |
11 | 13629703127040 |
12 | 667855453224960 |
13 | 36064194474147840 |
14 | 2055659085026426880 |
15 | 127450863271638466560 |
16 | 8794109565743054192640 |
17 | 668352326996472118640640 |
[3,15,120,1320,21120,401280,9630720,260029440, 8320942080,324516741120,13629703127040, 667855453224960,36064194474147840, 2055659085026426880,127450863271638466560, 8794109565743054192640,668352326996472118640640] |