n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 1 |
10 | 0 |
11 | 3 |
12 | 0 |
13 | 6 |
14 | 0 |
15 | 10 |
16 | 0 |
17 | 15 |
18 | 1 |
19 | 21 |
20 | 4 |
21 | 28 |
22 | 10 |
23 | 36 |
24 | 20 |
25 | 45 |
26 | 35 |
27 | 56 |
28 | 56 |
29 | 71 |
30 | 84 |
31 | 93 |
32 | 120 |
33 | 126 |
34 | 165 |
35 | 175 |
36 | 221 |
37 | 246 |
38 | 292 |
39 | 346 |
40 | 385 |
41 | 483 |
42 | 511 |
43 | 666 |
44 | 686 |
45 | 906 |
46 | 932 |
47 | 1218 |
48 | 1278 |
49 | 1624 |
50 | 1761 |
51 | 2157 |
52 | 2427 |
53 | 2866 |
54 | 3333 |
55 | 3822 |
56 | 4551 |
[0,0,0,0,0,0,0,0,1,0,3,0,6,0,10,0,15,1,21,4,28,10, 36,20,45,35,56,56,71,84,93,120,126,165,175,221, 246,292,346,385,483,511,666,686,906,932,1218,1278, 1624,1761,2157,2427,2866,3333,3822,4551] |