n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 2 |
4 | 6 |
5 | 6 |
6 | 12 |
7 | 12 |
8 | 20 |
9 | 20 |
10 | 30 |
11 | 30 |
12 | 42 |
13 | 42 |
14 | 56 |
15 | 56 |
16 | 72 |
17 | 72 |
18 | 90 |
19 | 90 |
20 | 110 |
21 | 110 |
22 | 132 |
23 | 132 |
24 | 156 |
25 | 156 |
26 | 182 |
27 | 182 |
28 | 210 |
29 | 210 |
30 | 240 |
31 | 240 |
32 | 272 |
33 | 272 |
34 | 306 |
35 | 306 |
36 | 342 |
37 | 342 |
38 | 380 |
39 | 380 |
40 | 420 |
41 | 420 |
42 | 462 |
43 | 462 |
44 | 506 |
45 | 506 |
46 | 552 |
47 | 552 |
48 | 600 |
49 | 600 |
50 | 650 |
51 | 650 |
52 | 702 |
53 | 702 |
54 | 756 |
55 | 756 |
56 | 812 |
57 | 812 |
[0,0,2,2,6,6,12,12,20,20,30,30,42,42,56,56,72,72, 90,90,110,110,132,132,156,156,182,182,210,210,240, 240,272,272,306,306,342,342,380,380,420,420,462, 462,506,506,552,552,600,600,650,650,702,702,756, 756,812,812] |