n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 1 |
6 | 2 |
7 | 1 |
8 | 2 |
9 | 4 |
10 | 2 |
11 | 4 |
12 | 6 |
13 | 4 |
14 | 6 |
15 | 9 |
16 | 6 |
17 | 9 |
18 | 12 |
19 | 9 |
20 | 12 |
21 | 16 |
22 | 12 |
23 | 16 |
24 | 20 |
25 | 16 |
26 | 20 |
27 | 25 |
28 | 20 |
29 | 25 |
30 | 30 |
31 | 25 |
32 | 30 |
33 | 36 |
34 | 30 |
35 | 36 |
36 | 42 |
37 | 36 |
38 | 42 |
39 | 49 |
40 | 42 |
41 | 49 |
42 | 56 |
43 | 49 |
44 | 56 |
45 | 64 |
46 | 56 |
47 | 64 |
48 | 72 |
49 | 64 |
50 | 72 |
51 | 81 |
52 | 72 |
53 | 81 |
54 | 90 |
55 | 81 |
56 | 90 |
57 | 100 |
58 | 90 |
59 | 100 |
60 | 110 |
61 | 100 |
62 | 110 |
63 | 121 |
64 | 110 |
65 | 121 |
66 | 132 |
[0,0,0,1,0,1,2,1,2,4,2,4,6,4,6,9,6,9,12,9,12,16, 12,16,20,16,20,25,20,25,30,25,30,36,30,36,42,36, 42,49,42,49,56,49,56,64,56,64,72,64,72,81,72,81, 90,81,90,100,90,100,110,100,110,121,110,121,132] |