n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 0 |
6 | 5 |
7 | 0 |
8 | 7 |
9 | 3 |
10 | 17 |
11 | 0 |
12 | 37 |
13 | 6 |
14 | 58 |
15 | 23 |
16 | 120 |
17 | 21 |
18 | 235 |
19 | 67 |
20 | 390 |
21 | 161 |
22 | 726 |
23 | 230 |
24 | 1349 |
25 | 521 |
26 | 2225 |
27 | 1055 |
28 | 3990 |
29 | 1714 |
30 | 7040 |
31 | 3341 |
32 | 11604 |
33 | 6294 |
34 | 20053 |
35 | 10500 |
36 | 34252 |
37 | 19115 |
38 | 56055 |
39 | 34168 |
40 | 94306 |
41 | 56998 |
42 | 157078 |
43 | 99515 |
44 | 254766 |
45 | 171484 |
46 | 419287 |
47 | 283565 |
[1,0,0,0,2,0,5,0,7,3,17,0,37,6,58,23,120,21,235, 67,390,161,726,230,1349,521,2225,1055,3990,1714, 7040,3341,11604,6294,20053,10500,34252,19115, 56055,34168,94306,56998,157078,99515,254766, 171484,419287,283565] |