n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 1 |
4 | 6 |
5 | 2 |
6 | 12 |
7 | 3 |
8 | 20 |
9 | 4 |
10 | 30 |
11 | 5 |
12 | 42 |
13 | 6 |
14 | 56 |
15 | 7 |
16 | 72 |
17 | 8 |
18 | 90 |
19 | 9 |
20 | 110 |
21 | 10 |
22 | 132 |
23 | 11 |
24 | 156 |
25 | 12 |
26 | 182 |
27 | 13 |
28 | 210 |
29 | 14 |
30 | 240 |
31 | 15 |
32 | 272 |
33 | 16 |
34 | 306 |
35 | 17 |
36 | 342 |
37 | 18 |
38 | 380 |
39 | 19 |
40 | 420 |
41 | 20 |
42 | 462 |
43 | 21 |
44 | 506 |
45 | 22 |
46 | 552 |
47 | 23 |
48 | 600 |
49 | 24 |
50 | 650 |
51 | 25 |
52 | 702 |
53 | 26 |
54 | 756 |
55 | 27 |
56 | 812 |
57 | 28 |
58 | 870 |
59 | 29 |
60 | 930 |
61 | 30 |
62 | 992 |
63 | 31 |
64 | 1056 |
65 | 32 |
66 | 1122 |
67 | 33 |
68 | 1190 |
[0,0,2,1,6,2,12,3,20,4,30,5,42,6,56,7,72,8,90,9, 110,10,132,11,156,12,182,13,210,14,240,15,272,16, 306,17,342,18,380,19,420,20,462,21,506,22,552,23, 600,24,650,25,702,26,756,27,812,28,870,29,930,30, 992,31,1056,32,1122,33,1190] |