n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 12 |
6 | 21 |
7 | 38 |
8 | 107 |
9 | 212 |
10 | 31488 |
11 | 70107 |
12 | 387288 |
13 | 95610729 |
14 | 446653271 |
15 | 3148717107 |
16 | 21081079479 |
17 | 648070211589107021 |
[1,2,3,7,12,21,38,107,212,31488,70107,387288, 95610729,446653271,3148717107,21081079479, 648070211589107021] |