n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 3 |
3 | 12 |
4 | 30 |
5 | 60 |
6 | 105 |
7 | 168 |
8 | 252 |
9 | 360 |
10 | 495 |
11 | 660 |
12 | 858 |
13 | 1092 |
14 | 1365 |
15 | 1680 |
16 | 2040 |
17 | 2448 |
18 | 2907 |
19 | 3420 |
20 | 3990 |
21 | 4620 |
22 | 5313 |
23 | 6072 |
24 | 6900 |
25 | 7800 |
26 | 8775 |
27 | 9828 |
28 | 10962 |
29 | 12180 |
30 | 13485 |
31 | 14880 |
32 | 16368 |
33 | 17952 |
34 | 19635 |
35 | 21420 |
36 | 23310 |
37 | 25308 |
38 | 27417 |
39 | 29640 |
40 | 31980 |
41 | 34440 |
[0,0,3,12,30,60,105,168,252,360,495,660,858,1092, 1365,1680,2040,2448,2907,3420,3990,4620,5313,6072, 6900,7800,8775,9828,10962,12180,13485,14880,16368, 17952,19635,21420,23310,25308,27417,29640,31980, 34440] |