n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 2 |
7 | 2 |
8 | 4 |
9 | 6 |
10 | 6 |
11 | 6 |
12 | 9 |
13 | 12 |
14 | 12 |
15 | 12 |
16 | 16 |
17 | 20 |
18 | 20 |
19 | 20 |
20 | 25 |
21 | 30 |
22 | 30 |
23 | 30 |
24 | 36 |
25 | 42 |
26 | 42 |
27 | 42 |
28 | 49 |
29 | 56 |
30 | 56 |
31 | 56 |
32 | 64 |
33 | 72 |
34 | 72 |
35 | 72 |
36 | 81 |
37 | 90 |
38 | 90 |
39 | 90 |
40 | 100 |
41 | 110 |
42 | 110 |
43 | 110 |
44 | 121 |
45 | 132 |
46 | 132 |
47 | 132 |
48 | 144 |
49 | 156 |
50 | 156 |
51 | 156 |
52 | 169 |
53 | 182 |
54 | 182 |
[0,0,0,0,1,2,2,2,4,6,6,6,9,12,12,12,16,20,20,20, 25,30,30,30,36,42,42,42,49,56,56,56,64,72,72,72, 81,90,90,90,100,110,110,110,121,132,132,132,144, 156,156,156,169,182,182] |