n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 1 |
14 | 0 |
15 | 3 |
16 | 5 |
17 | 15 |
18 | 19 |
19 | 57 |
20 | 72 |
21 | 274 |
22 | 491 |
23 | 1766 |
24 | 3679 |
25 | 11158 |
26 | 24086 |
27 | 64754 |
28 | 132598 |
29 | 326042 |
30 | 667403 |
31 | 1627218 |
32 | 3508516 |
[0,0,0,0,0,0,0,0,0,0,0,0,1,0,3,5,15,19,57,72,274, 491,1766,3679,11158,24086,64754,132598,326042, 667403,1627218,3508516] |