n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 1 |
8 | 2 |
9 | 4 |
10 | 8 |
11 | 16 |
12 | 32 |
13 | 63 |
14 | 126 |
15 | 251 |
16 | 500 |
17 | 996 |
18 | 1984 |
19 | 3952 |
20 | 7872 |
21 | 15681 |
22 | 31236 |
23 | 62221 |
24 | 123942 |
25 | 246888 |
26 | 491792 |
27 | 979632 |
28 | 1951392 |
29 | 3887103 |
30 | 7742970 |
31 | 15423719 |
32 | 30723496 |
33 | 61200104 |
34 | 121908416 |
35 | 242837200 |
36 | 483723008 |
37 | 963558913 |
38 | 1919374856 |
39 | 3823325993 |
[0,0,0,0,0,1,0,1,2,4,8,16,32,63,126,251,500,996, 1984,3952,7872,15681,31236,62221,123942,246888, 491792,979632,1951392,3887103,7742970,15423719, 30723496,61200104,121908416,242837200,483723008, 963558913,1919374856,3823325993] |