n | a(n) |
---|---|
1 | 4 |
2 | 6 |
3 | 24 |
4 | 30 |
5 | 720 |
6 | 168 |
7 | 720 |
8 | 2520 |
9 | 151200 |
10 | 55440 |
11 | 665280 |
12 | 1310400 |
13 | 47520 |
14 | 454053600 |
15 | 2471040 |
16 | 3598560 |
17 | 4410806400 |
18 | 1769644800 |
19 | 801964800 |
20 | 1150269120 |
21 | 2283240960 |
[4,6,24,30,720,168,720,2520,151200,55440,665280, 1310400,47520,454053600,2471040,3598560, 4410806400,1769644800,801964800,1150269120, 2283240960] |