n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 2 |
8 | 2 |
9 | 2 |
10 | 2 |
11 | 2 |
12 | 4 |
13 | 6 |
14 | 6 |
15 | 6 |
16 | 6 |
17 | 6 |
18 | 9 |
19 | 12 |
20 | 12 |
21 | 12 |
22 | 12 |
23 | 12 |
24 | 16 |
25 | 20 |
26 | 20 |
27 | 20 |
28 | 20 |
29 | 20 |
30 | 25 |
31 | 30 |
32 | 30 |
33 | 30 |
34 | 30 |
35 | 30 |
36 | 36 |
37 | 42 |
38 | 42 |
39 | 42 |
40 | 42 |
41 | 42 |
42 | 49 |
43 | 56 |
44 | 56 |
45 | 56 |
46 | 56 |
47 | 56 |
48 | 64 |
49 | 72 |
50 | 72 |
51 | 72 |
52 | 72 |
53 | 72 |
54 | 81 |
55 | 90 |
56 | 90 |
57 | 90 |
58 | 90 |
59 | 90 |
60 | 100 |
[0,0,0,0,0,0,1,2,2,2,2,2,4,6,6,6,6,6,9,12,12,12, 12,12,16,20,20,20,20,20,25,30,30,30,30,30,36,42, 42,42,42,42,49,56,56,56,56,56,64,72,72,72,72,72, 81,90,90,90,90,90,100] |