n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 0 |
10 | 1 |
11 | 1 |
12 | 3 |
13 | 2 |
14 | 4 |
15 | 6 |
16 | 13 |
17 | 15 |
18 | 30 |
19 | 50 |
20 | 93 |
21 | 158 |
22 | 287 |
23 | 513 |
24 | 950 |
25 | 1735 |
26 | 3212 |
27 | 5945 |
28 | 11099 |
29 | 20720 |
30 | 38910 |
31 | 73002 |
32 | 137821 |
33 | 259757 |
[1,0,0,0,0,1,0,0,1,0,1,1,3,2,4,6,13,15,30,50,93, 158,287,513,950,1735,3212,5945,11099,20720,38910, 73002,137821,259757] |