n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 5 |
8 | 11 |
9 | 22 |
10 | 33 |
11 | 65 |
12 | 117 |
13 | 220 |
14 | 404 |
15 | 762 |
16 | 1422 |
17 | 2693 |
18 | 5123 |
19 | 9634 |
20 | 18409 |
21 | 35112 |
22 | 67061 |
23 | 128302 |
24 | 246706 |
25 | 473477 |
26 | 911557 |
27 | 1756669 |
28 | 3390509 |
29 | 6552186 |
30 | 12674857 |
31 | 24545491 |
32 | 47584387 |
33 | 92331524 |
34 | 179317837 |
35 | 348547958 |
36 | 678026207 |
37 | 1319948267 |
38 | 2571405351 |
[0,1,0,1,2,4,5,11,22,33,65,117,220,404,762,1422, 2693,5123,9634,18409,35112,67061,128302,246706, 473477,911557,1756669,3390509,6552186,12674857, 24545491,47584387,92331524,179317837,348547958, 678026207,1319948267,2571405351] |