n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 4320 |
4 | 11496038400 |
5 | 291948240981196800000 |
6 | 190982059064777562218142105600000000 |
7 | 7081230833474514688657438735472338312479375360000000000 |
[1,4,4320,11496038400,291948240981196800000, 190982059064777562218142105600000000, 70812308334745146886574387354723383124793753600000\ 00000] |