n | a(n) |
---|---|
2 | 1 |
3 | 3 |
4 | 11 |
5 | 35 |
6 | 112 |
7 | 350 |
8 | 1087 |
9 | 3351 |
10 | 10286 |
11 | 31460 |
12 | 95966 |
13 | 292110 |
14 | 887629 |
15 | 2693423 |
16 | 8163367 |
17 | 24717575 |
18 | 74778718 |
19 | 226066940 |
20 | 683006416 |
21 | 2062412936 |
22 | 6224697139 |
23 | 18779180645 |
24 | 56633215930 |
25 | 170733734210 |
26 | 514559844007 |
27 | 1550364293145 |
[1,3,11,35,112,350,1087,3351,10286,31460,95966, 292110,887629,2693423,8163367,24717575,74778718, 226066940,683006416,2062412936,6224697139, 18779180645,56633215930,170733734210,514559844007, 1550364293145] |