n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 66 |
6 | 346 |
7 | 2229 |
8 | 17000 |
9 | 148898 |
10 | 1465364 |
11 | 15957314 |
12 | 190158712 |
13 | 2459041744 |
14 | 34278016954 |
15 | 512253587397 |
16 | 8168812190472 |
17 | 138450960309882 |
[1,1,2,5,16,66,346,2229,17000,148898,1465364, 15957314,190158712,2459041744,34278016954, 512253587397,8168812190472,138450960309882] |