n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 280 |
4 | 13860 |
5 | 1009008 |
6 | 98017920 |
7 | 11972188800 |
8 | 1766895530400 |
9 | 306261891936000 |
10 | 61040779261862400 |
11 | 13761921142674432000 |
12 | 3464298995338621440000 |
13 | 963455812901426718720000 |
14 | 293441113300834537758720000 |
[1,10,280,13860,1009008,98017920,11972188800, 1766895530400,306261891936000,61040779261862400, 13761921142674432000,3464298995338621440000, 963455812901426718720000, 293441113300834537758720000] |