n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 42 |
5 | 132 |
6 | 430 |
7 | 1444 |
8 | 4981 |
9 | 17594 |
10 | 63442 |
11 | 232828 |
12 | 867145 |
13 | 3269034 |
14 | 12446307 |
15 | 47767466 |
16 | 184508963 |
17 | 716386598 |
18 | 2793067210 |
19 | 10926148172 |
20 | 42857189054 |
21 | 168471757292 |
22 | 663434825367 |
23 | 2616336659586 |
24 | 10329939578230 |
[1,2,5,14,42,132,430,1444,4981,17594,63442,232828, 867145,3269034,12446307,47767466,184508963, 716386598,2793067210,10926148172,42857189054, 168471757292,663434825367,2616336659586, 10329939578230] |