n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 29 |
5 | 137 |
6 | 679 |
7 | 3515 |
8 | 18677 |
9 | 101463 |
10 | 560062 |
11 | 3132639 |
12 | 17708417 |
13 | 100998567 |
14 | 5803646663 |
15 | 3356435363 |
16 | 19519575163 |
[1,2,7,29,137,679,3515,18677,101463,560062, 3132639,17708417,100998567,5803646663,3356435363, 19519575163] |