n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 13 |
4 | 82 |
5 | 455 |
6 | 3375 |
7 | 22939 |
8 | 164311 |
9 | 1295113 |
10 | 9606295 |
11 | 73033205 |
12 | 600317013 |
13 | 4678388841 |
14 | 36709902179 |
15 | 309541490733 |
[1,3,13,82,455,3375,22939,164311,1295113,9606295, 73033205,600317013,4678388841,36709902179, 309541490733] |