n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 12 |
5 | 24 |
6 | 360 |
7 | 720 |
8 | 20160 |
9 | 40320 |
10 | 1814400 |
11 | 3628800 |
12 | 239500800 |
13 | 479001600 |
14 | 43589145600 |
15 | 87178291200 |
16 | 10461394944000 |
17 | 20922789888000 |
18 | 3201186852864000 |
19 | 6402373705728000 |
20 | 1216451004088320000 |
21 | 2432902008176640000 |
22 | 562000363888803840000 |
[1,1,2,12,24,360,720,20160,40320,1814400,3628800, 239500800,479001600,43589145600,87178291200, 10461394944000,20922789888000,3201186852864000, 6402373705728000,1216451004088320000, 2432902008176640000,562000363888803840000] |