n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 12 |
4 | 30 |
5 | 240 |
6 | 840 |
7 | 10080 |
8 | 45360 |
9 | 725760 |
10 | 3991680 |
11 | 79833600 |
12 | 518918400 |
13 | 12454041600 |
14 | 93405312000 |
15 | 2615348736000 |
16 | 22230464256000 |
17 | 711374856192000 |
18 | 6758061133824000 |
19 | 243290200817664000 |
20 | 2554547108585472000 |
21 | 102181884343418880000 |
22 | 1175091669949317120000 |
[2,3,12,30,240,840,10080,45360,725760,3991680, 79833600,518918400,12454041600,93405312000, 2615348736000,22230464256000,711374856192000, 6758061133824000,243290200817664000, 2554547108585472000,102181884343418880000, 1175091669949317120000] |