n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 2880 |
4 | 226800 |
5 | 101606400 |
6 | 6985440000 |
7 | 35961045120000 |
8 | 1431699108840000 |
9 | 692306057963520000 |
10 | 181128033944995737600 |
11 | 344143264495491901440000 |
12 | 6651046563131624734080000 |
13 | 22028266217091941119272960000 |
[1,12,2880,226800,101606400,6985440000, 35961045120000,1431699108840000, 692306057963520000,181128033944995737600, 344143264495491901440000, 6651046563131624734080000, 22028266217091941119272960000] |