n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 21 |
5 | 231 |
6 | 847 |
7 | 2541 |
8 | 16093 |
9 | 33649 |
10 | 43263 |
11 | 447051 |
12 | 1043119 |
13 | 13560547 |
14 | 83300503 |
15 | 170222767 |
16 | 222599003 |
17 | 13133341177 |
18 | 774867129443 |
19 | 4719645242971 |
20 | 335094812250941 |
[1,3,9,21,231,847,2541,16093,33649,43263,447051, 1043119,13560547,83300503,170222767,222599003, 13133341177,774867129443,4719645242971, 335094812250941] |