n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 72 |
4 | 5184 |
5 | 4478976 |
6 | 278628139008 |
7 | 14975624970497949696 |
8 | 50071566192138943522512952098816 |
9 | 8998235963747242817865410245394871488270255869919232 |
[1,6,72,5184,4478976,278628139008, 14975624970497949696, 50071566192138943522512952098816, 89982359637472428178654102453948714882702558699192\ 32] |