n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 2 |
4 | 2 |
5 | 0 |
6 | 3 |
7 | 6 |
8 | 3 |
9 | 0 |
10 | 4 |
11 | 12 |
12 | 12 |
13 | 4 |
14 | 0 |
15 | 5 |
16 | 20 |
17 | 30 |
18 | 20 |
19 | 5 |
20 | 0 |
21 | 6 |
22 | 30 |
23 | 60 |
24 | 60 |
25 | 30 |
26 | 6 |
27 | 0 |
28 | 7 |
29 | 42 |
30 | 105 |
31 | 140 |
32 | 105 |
33 | 42 |
34 | 7 |
35 | 0 |
36 | 8 |
37 | 56 |
38 | 168 |
39 | 280 |
40 | 280 |
41 | 168 |
42 | 56 |
43 | 8 |
44 | 0 |
45 | 9 |
46 | 72 |
47 | 252 |
48 | 504 |
49 | 630 |
50 | 504 |
51 | 252 |
52 | 72 |
53 | 9 |
54 | 0 |
55 | 10 |
56 | 90 |
57 | 360 |
58 | 840 |
59 | 1260 |
60 | 1260 |
61 | 840 |
62 | 360 |
63 | 90 |
64 | 10 |
65 | 0 |
[0,1,0,2,2,0,3,6,3,0,4,12,12,4,0,5,20,30,20,5,0,6, 30,60,60,30,6,0,7,42,105,140,105,42,7,0,8,56,168, 280,280,168,56,8,0,9,72,252,504,630,504,252,72,9, 0,10,90,360,840,1260,1260,840,360,90,10,0] |