n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 12 |
4 | 360 |
5 | 55440 |
6 | 61261200 |
7 | 293318625600 |
8 | 6064949221531200 |
9 | 1315675499575984747200 |
10 | 1130066578473302698988760000 |
11 | 8029566026151577210973143393920000 |
12 | 44532446925432190155112500678140561280000 |
13 | 89867631285897528426742043782255216503577152000000 |
[1,1,2,12,360,55440,61261200,293318625600, 6064949221531200,1315675499575984747200, 1130066578473302698988760000, 8029566026151577210973143393920000, 44532446925432190155112500678140561280000, 89867631285897528426742043782255216503577152000000\ ] |