n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 240 |
4 | 25200 |
5 | 5080320 |
6 | 1676505600 |
7 | 821966745600 |
8 | 560992303872000 |
9 | 508633022177280000 |
10 | 591438478187741184000 |
11 | 858123464716031754240000 |
12 | 1519736656012092236759040000 |
13 | 3226517823533365056503808000000 |
14 | 8089341114715793820234547200000000 |
[1,6,240,25200,5080320,1676505600,821966745600, 560992303872000,508633022177280000, 591438478187741184000,858123464716031754240000, 1519736656012092236759040000, 3226517823533365056503808000000, 8089341114715793820234547200000000] |