n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 1 |
14 | 0 |
15 | 0 |
16 | 1 |
17 | 1 |
18 | 0 |
19 | 2 |
20 | 1 |
21 | 1 |
22 | 2 |
23 | 2 |
24 | 1 |
25 | 4 |
26 | 2 |
27 | 2 |
28 | 4 |
29 | 4 |
30 | 2 |
31 | 6 |
32 | 4 |
33 | 4 |
34 | 6 |
35 | 6 |
36 | 4 |
37 | 9 |
38 | 6 |
39 | 6 |
40 | 9 |
41 | 9 |
42 | 6 |
43 | 12 |
44 | 9 |
45 | 9 |
46 | 12 |
47 | 12 |
48 | 9 |
49 | 16 |
50 | 12 |
51 | 12 |
52 | 16 |
53 | 16 |
54 | 12 |
55 | 20 |
56 | 16 |
57 | 16 |
58 | 20 |
59 | 20 |
60 | 16 |
61 | 25 |
62 | 20 |
63 | 20 |
64 | 25 |
65 | 25 |
66 | 20 |
67 | 30 |
68 | 25 |
69 | 25 |
70 | 30 |
71 | 30 |
72 | 25 |
73 | 36 |
74 | 30 |
75 | 30 |
76 | 36 |
77 | 36 |
78 | 30 |
79 | 42 |
80 | 36 |
81 | 36 |
82 | 42 |
83 | 42 |
84 | 36 |
85 | 49 |
86 | 42 |
87 | 42 |
88 | 49 |
89 | 49 |
[0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1,0,2,1,1,2,2,1, 4,2,2,4,4,2,6,4,4,6,6,4,9,6,6,9,9,6,12,9,9,12,12, 9,16,12,12,16,16,12,20,16,16,20,20,16,25,20,20,25, 25,20,30,25,25,30,30,25,36,30,30,36,36,30,42,36, 36,42,42,36,49,42,42,49,49] |