n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 41 |
4 | 149 |
5 | 527 |
6 | 1823 |
7 | 6197 |
8 | 20777 |
9 | 68891 |
10 | 226355 |
11 | 738113 |
12 | 2391485 |
13 | 7705895 |
14 | 24712007 |
15 | 78918989 |
16 | 251105873 |
17 | 796364339 |
18 | 2518233179 |
19 | 7942120025 |
20 | 24988621541 |
21 | 78452649023 |
22 | 245818300271 |
23 | 768835960421 |
24 | 2400651060089 |
[1,3,11,41,149,527,1823,6197,20777,68891,226355, 738113,2391485,7705895,24712007,78918989, 251105873,796364339,2518233179,7942120025, 24988621541,78452649023,245818300271,768835960421, 2400651060089] |