n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 21 |
4 | 53 |
5 | 197 |
6 | 661 |
7 | 2085 |
8 | 7093 |
9 | 23365 |
10 | 76757 |
11 | 255333 |
12 | 842741 |
13 | 2785157 |
14 | 9220117 |
15 | 30473637 |
16 | 100775989 |
17 | 333311941 |
18 | 1102099541 |
19 | 3644659173 |
20 | 12052800629 |
21 | 39856631813 |
22 | 131803744405 |
23 | 435863879205 |
24 | 1441358438581 |
25 | 4766458888261 |
26 | 15762259193045 |
27 | 52124396009061 |
[1,1,5,21,53,197,661,2085,7093,23365,76757,255333, 842741,2785157,9220117,30473637,100775989, 333311941,1102099541,3644659173,12052800629, 39856631813,131803744405,435863879205, 1441358438581,4766458888261,15762259193045, 52124396009061] |