n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 56 |
6 | 202 |
7 | 715 |
8 | 2529 |
9 | 9701 |
10 | 36797 |
11 | 138564 |
12 | 520062 |
13 | 1999679 |
14 | 7700373 |
15 | 29612097 |
16 | 113722740 |
17 | 440354696 |
18 | 1709283358 |
19 | 6637835682 |
20 | 25773923006 |
21 | 100398993203 |
22 | 391785231463 |
23 | 1530125311638 |
24 | 5978033636691 |
25 | 23390474605783 |
[1,1,2,5,14,56,202,715,2529,9701,36797,138564, 520062,1999679,7700373,29612097,113722740, 440354696,1709283358,6637835682,25773923006, 100398993203,391785231463,1530125311638, 5978033636691,23390474605783] |