n | a(n) |
---|---|
1 | 3 |
2 | 18 |
3 | 1200 |
4 | 33601536 |
5 | 72057597192044544 |
6 | 664613997892457950142846397346480128 |
7 | 113078212145816597093331040047546785266841516594958545044409945396273479680 |
[3,18,1200,33601536,72057597192044544, 664613997892457950142846397346480128, 11307821214581659709333104004754678526684151659495\ 8545044409945396273479680] |