n | a(n) |
---|---|
1 | 5 |
2 | 20 |
3 | 60 |
4 | 240 |
5 | 720 |
6 | 2940 |
7 | 10080 |
8 | 38640 |
9 | 140400 |
10 | 529440 |
11 | 1956900 |
12 | 7335840 |
13 | 27285180 |
14 | 101960040 |
15 | 380209980 |
16 | 1419732000 |
[5,20,60,240,720,2940,10080,38640,140400,529440, 1956900,7335840,27285180,101960040,380209980, 1419732000] |