n | a(n) |
---|---|
1 | 4 |
2 | 4 |
3 | 6 |
4 | 20 |
5 | 4845 |
6 | 22201944189472719 |
7 | 166346452361171550314824489703019621783015631944522524541726975745905615181160551330988078433117 |
[4,4,6,20,4845,22201944189472719, 16634645236117155031482448970301962178301563194452\ 2524541726975745905615181160551330988078433117] |