n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 420 |
3 | 35280 |
4 | 6486480 |
5 | 2473511040 |
6 | 1888413246720 |
7 | 2815188363187200 |
8 | 8043859365429888000 |
9 | 43422645527382401280000 |
10 | 437806134821131674998400000 |
11 | 8167684917019434265210752000000 |
12 | 279763767797866931083907001600000000 |
13 | 17478686582471797472931336490014720000000 |
[1,12,420,35280,6486480,2473511040,1888413246720, 2815188363187200,8043859365429888000, 43422645527382401280000, 437806134821131674998400000, 8167684917019434265210752000000, 279763767797866931083907001600000000, 17478686582471797472931336490014720000000] |