n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 15 |
4 | 48 |
5 | 1152 |
6 | 19200 |
7 | 62370 |
8 | 322560 |
9 | 17418240 |
10 | 567705600 |
11 | 2481078600 |
12 | 16907304960 |
13 | 1504935936000 |
14 | 8799558768000 |
15 | 76435881984000 |
16 | 819678899239200 |
17 | 10176845001523200 |
18 | 2169274855587840000 |
19 | 215013524533936128000 |
[2,8,15,48,1152,19200,62370,322560,17418240, 567705600,2481078600,16907304960,1504935936000, 8799558768000,76435881984000,819678899239200, 10176845001523200,2169274855587840000, 215013524533936128000] |