n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 11 |
4 | 41 |
5 | 96 |
6 | 301 |
7 | 781 |
8 | 2286 |
9 | 6191 |
10 | 17621 |
11 | 48576 |
12 | 136681 |
13 | 379561 |
14 | 1062966 |
15 | 2960771 |
16 | 8275601 |
17 | 23079456 |
18 | 64457461 |
19 | 179854741 |
20 | 502142046 |
21 | 1401415751 |
22 | 3912125981 |
23 | 10919204736 |
24 | 30479834641 |
25 | 85075858321 |
26 | 237475031526 |
[1,1,6,11,41,96,301,781,2286,6191,17621,48576, 136681,379561,1062966,2960771,8275601,23079456, 64457461,179854741,502142046,1401415751, 3912125981,10919204736,30479834641,85075858321, 237475031526] |