n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 47 |
5 | 291 |
6 | 2789 |
7 | 35646 |
8 | 622457 |
9 | 14019433 |
10 | 395208047 |
11 | 13561118011 |
12 | 555498075986 |
13 | 26751985389463 |
14 | 1496090275853092 |
15 | 96154662330195078 |
16 | 7038800665162854369 |
17 | 582281978355495520076 |
18 | 54057819690711609171892 |
19 | 5597375885970846586170796 |
20 | 642829784413912305507730345 |
[1,3,9,47,291,2789,35646,622457,14019433, 395208047,13561118011,555498075986,26751985389463, 1496090275853092,96154662330195078, 7038800665162854369,582281978355495520076, 54057819690711609171892,5597375885970846586170796, 642829784413912305507730345] |