n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 0 |
7 | 3 |
8 | 3 |
9 | 0 |
10 | 0 |
11 | 6 |
12 | 12 |
13 | 6 |
14 | 0 |
15 | 0 |
16 | 10 |
17 | 30 |
18 | 30 |
19 | 10 |
20 | 0 |
21 | 0 |
22 | 15 |
23 | 60 |
24 | 90 |
25 | 60 |
26 | 15 |
27 | 0 |
28 | 0 |
29 | 21 |
30 | 105 |
31 | 210 |
32 | 210 |
33 | 105 |
34 | 21 |
35 | 0 |
36 | 0 |
37 | 28 |
38 | 168 |
39 | 420 |
40 | 560 |
41 | 420 |
42 | 168 |
43 | 28 |
44 | 0 |
45 | 0 |
46 | 36 |
47 | 252 |
48 | 756 |
49 | 1260 |
50 | 1260 |
51 | 756 |
52 | 252 |
53 | 36 |
54 | 0 |
55 | 0 |
56 | 45 |
57 | 360 |
58 | 1260 |
59 | 2520 |
60 | 3150 |
61 | 2520 |
62 | 1260 |
63 | 360 |
64 | 45 |
65 | 0 |
66 | 0 |
67 | 55 |
68 | 495 |
[0,0,0,0,1,0,0,3,3,0,0,6,12,6,0,0,10,30,30,10,0,0, 15,60,90,60,15,0,0,21,105,210,210,105,21,0,0,28, 168,420,560,420,168,28,0,0,36,252,756,1260,1260, 756,252,36,0,0,45,360,1260,2520,3150,2520,1260, 360,45,0,0,55,495] |