n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 24 |
4 | 30 |
5 | 720 |
6 | 140 |
7 | 40320 |
8 | 5670 |
9 | 403200 |
10 | 399168 |
11 | 479001600 |
12 | 300300 |
13 | 87178291200 |
14 | 6671808000 |
15 | 92990177280 |
16 | 86837751000 |
17 | 6402373705728000 |
18 | 1158789632000 |
19 | 2432902008176640000 |
20 | 319318388573184 |
21 | 2548754484756480000 |
22 | 53413257724968960000 |
23 | 620448401733239439360000 |
[2,6,24,30,720,140,40320,5670,403200,399168, 479001600,300300,87178291200,6671808000, 92990177280,86837751000,6402373705728000, 1158789632000,2432902008176640000,319318388573184, 2548754484756480000,53413257724968960000, 620448401733239439360000] |