n | a(n) |
---|---|
1 | 0 |
2 | 12 |
3 | 84672 |
4 | 133937556480 |
5 | 84132174409113600000 |
6 | 31820251569524195280814080000000 |
7 | 10171374668270380199596141241071328726876160000 |
8 | 3665849746122305381874580384965936229566478146157181833052160000 |
[0,12,84672,133937556480,84132174409113600000, 31820251569524195280814080000000, 10171374668270380199596141241071328726876160000, 36658497461223053818745803849659362295664781461571\ 81833052160000] |