n | a(n) |
---|---|
1 | 20 |
2 | 484 |
3 | 497760 |
4 | 1957701217328 |
5 | 110039180295740617586514688 |
6 | 1453032809117364647244136820047121806179196309892169728 |
[20,484,497760,1957701217328, 110039180295740617586514688, 14530328091173646472441368200471218061791963098921\ 69728] |