n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 10 |
6 | 26 |
7 | 105 |
8 | 278 |
9 | 1011 |
10 | 3804 |
11 | 17065 |
12 | 78012 |
13 | 406795 |
14 | 2192844 |
15 | 13318687 |
16 | 79804728 |
17 | 533838106 |
18 | 3605026566 |
19 | 27263032020 |
20 | 203967032072 |
21 | 1693025508202 |
22 | 14125460316054 |
23 | 129839854469553 |
[1,1,2,3,10,26,105,278,1011,3804,17065,78012, 406795,2192844,13318687,79804728,533838106, 3605026566,27263032020,203967032072,1693025508202, 14125460316054,129839854469553] |