n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 7 |
4 | 22 |
5 | 93 |
6 | 413 |
7 | 2073 |
8 | 10741 |
9 | 57540 |
10 | 312805 |
11 | 1722483 |
12 | 9564565 |
13 | 53489304 |
14 | 300840332 |
15 | 1700347858 |
16 | 9650975401 |
[1,2,2,7,22,93,413,2073,10741,57540,312805, 1722483,9564565,53489304,300840332,1700347858, 9650975401] |