n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 924 |
4 | 81738720000 |
5 | 256963707943061374889193111552000 |
6 | 30978254928194376001814792318154658399138184007229852126545533479881553257431040000000 |
[1,1,6,924,81738720000, 256963707943061374889193111552000, 30978254928194376001814792318154658399138184007229\ 852126545533479881553257431040000000] |