n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 11 |
5 | 26 |
6 | 65 |
7 | 163 |
8 | 416 |
9 | 1081 |
10 | 2837 |
11 | 7516 |
12 | 20089 |
13 | 54077 |
14 | 146478 |
15 | 398997 |
16 | 1092215 |
17 | 3003014 |
18 | 8289569 |
19 | 22964919 |
20 | 63828252 |
21 | 177931665 |
22 | 497367721 |
23 | 1393768952 |
24 | 3914793457 |
25 | 11019379609 |
26 | 31079140922 |
27 | 87818240869 |
28 | 248571086403 |
29 | 704722488690 |
[1,2,5,11,26,65,163,416,1081,2837,7516,20089, 54077,146478,398997,1092215,3003014,8289569, 22964919,63828252,177931665,497367721,1393768952, 3914793457,11019379609,31079140922,87818240869, 248571086403,704722488690] |