n | a(n) |
---|---|
4 | 1 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 2 |
9 | 2 |
10 | 4 |
11 | 7 |
12 | 12 |
13 | 20 |
14 | 34 |
15 | 56 |
16 | 98 |
17 | 167 |
18 | 284 |
19 | 484 |
20 | 835 |
21 | 1433 |
22 | 2467 |
23 | 4250 |
24 | 7345 |
25 | 12700 |
26 | 22004 |
27 | 38154 |
28 | 66266 |
29 | 115224 |
30 | 200623 |
31 | 349654 |
32 | 610126 |
33 | 1065739 |
34 | 1863547 |
35 | 3261672 |
36 | 5714277 |
37 | 10020092 |
38 | 17586014 |
39 | 30890654 |
40 | 54305289 |
41 | 95542387 |
42 | 168221056 |
43 | 296401979 |
[1,0,0,1,2,2,4,7,12,20,34,56,98,167,284,484,835, 1433,2467,4250,7345,12700,22004,38154,66266, 115224,200623,349654,610126,1065739,1863547, 3261672,5714277,10020092,17586014,30890654, 54305289,95542387,168221056,296401979] |