n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 43 |
5 | 142 |
6 | 495 |
7 | 1794 |
8 | 6686 |
9 | 25436 |
10 | 98311 |
11 | 384826 |
12 | 1522283 |
13 | 6075838 |
14 | 24437937 |
15 | 98956270 |
16 | 403080170 |
17 | 1650502292 |
18 | 6790018182 |
19 | 28050896964 |
20 | 116322826479 |
21 | 484029536374 |
22 | 2020386475025 |
23 | 8457397801150 |
24 | 35495812337114 |
25 | 149336478356692 |
26 | 629685490668799 |
[1,2,5,14,43,142,495,1794,6686,25436,98311,384826, 1522283,6075838,24437937,98956270,403080170, 1650502292,6790018182,28050896964,116322826479, 484029536374,2020386475025,8457397801150, 35495812337114,149336478356692,629685490668799] |