n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 8 |
7 | 17 |
8 | 39 |
9 | 93 |
10 | 227 |
11 | 567 |
12 | 1447 |
13 | 3760 |
14 | 9917 |
15 | 26492 |
16 | 71567 |
17 | 195256 |
18 | 537397 |
19 | 1490614 |
20 | 4163508 |
21 | 11702411 |
22 | 33078992 |
23 | 93986117 |
24 | 268294604 |
25 | 769171970 |
26 | 2213834911 |
27 | 6395017291 |
28 | 18534987580 |
29 | 53887644375 |
30 | 157121564325 |
31 | 459351495858 |
32 | 1346290327899 |
[1,1,1,1,2,4,8,17,39,93,227,567,1447,3760,9917, 26492,71567,195256,537397,1490614,4163508, 11702411,33078992,93986117,268294604,769171970, 2213834911,6395017291,18534987580,53887644375, 157121564325,459351495858,1346290327899] |