n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 360 |
4 | 20160 |
5 | 1814400 |
6 | 239500800 |
7 | 43589145600 |
8 | 10461394944000 |
9 | 3201186852864000 |
10 | 1216451004088320000 |
11 | 562000363888803840000 |
12 | 310224200866619719680000 |
13 | 201645730563302817792000000 |
14 | 152444172305856930250752000000 |
15 | 132626429906095529318154240000000 |
[1,12,360,20160,1814400,239500800,43589145600, 10461394944000,3201186852864000, 1216451004088320000,562000363888803840000, 310224200866619719680000, 201645730563302817792000000, 152444172305856930250752000000, 132626429906095529318154240000000] |