n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 24 |
6 | 93 |
7 | 483 |
8 | 2832 |
9 | 17515 |
10 | 123226 |
11 | 978405 |
12 | 8312802 |
13 | 75966887 |
14 | 756376739 |
15 | 8070649675 |
16 | 91320842018 |
17 | 1099612368110 |
18 | 14054043139523 |
19 | 189320856378432 |
20 | 2682416347625463 |
21 | 39945105092501742 |
22 | 623240458310527252 |
23 | 10160826473676346731 |
24 | 172871969109661492526 |
[1,1,1,2,7,24,93,483,2832,17515,123226,978405, 8312802,75966887,756376739,8070649675,91320842018, 1099612368110,14054043139523,189320856378432, 2682416347625463,39945105092501742, 623240458310527252,10160826473676346731, 172871969109661492526] |