n | a(n) |
---|---|
1 | 2 |
2 | 13 |
3 | 61 |
4 | 2521 |
5 | 20161 |
6 | 3113510401 |
7 | 10461394944001 |
8 | 132626429906095529318154240000001 |
9 | 30207631531686917818677566034256998753632256000000001 |
[2,13,61,2521,20161,3113510401,10461394944001, 132626429906095529318154240000001, 30207631531686917818677566034256998753632256000000\ 001] |