n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 0 |
8 | 3 |
9 | 3 |
10 | 0 |
11 | 0 |
12 | 6 |
13 | 15 |
14 | 6 |
15 | 0 |
16 | 0 |
17 | 10 |
18 | 42 |
19 | 42 |
20 | 10 |
21 | 0 |
22 | 0 |
23 | 15 |
24 | 90 |
25 | 204 |
26 | 90 |
27 | 15 |
28 | 0 |
29 | 0 |
30 | 21 |
31 | 165 |
32 | 660 |
33 | 660 |
34 | 165 |
35 | 21 |
36 | 0 |
37 | 0 |
38 | 28 |
39 | 273 |
40 | 1650 |
41 | 3940 |
42 | 1650 |
43 | 273 |
44 | 28 |
45 | 0 |
46 | 0 |
47 | 36 |
48 | 420 |
49 | 3486 |
50 | 15390 |
51 | 15390 |
52 | 3486 |
53 | 420 |
54 | 36 |
55 | 0 |
56 | 0 |
57 | 45 |
58 | 612 |
59 | 6552 |
60 | 45150 |
61 | 113865 |
62 | 45150 |
63 | 6552 |
64 | 612 |
65 | 45 |
66 | 0 |
[0,0,0,0,1,0,0,3,3,0,0,6,15,6,0,0,10,42,42,10,0,0, 15,90,204,90,15,0,0,21,165,660,660,165,21,0,0,28, 273,1650,3940,1650,273,28,0,0,36,420,3486,15390, 15390,3486,420,36,0,0,45,612,6552,45150,113865, 45150,6552,612,45,0] |