n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 9 |
7 | 13 |
8 | 18 |
9 | 24 |
10 | 31 |
11 | 39 |
12 | 47 |
13 | 56 |
14 | 66 |
15 | 77 |
16 | 89 |
17 | 102 |
18 | 115 |
19 | 129 |
20 | 144 |
21 | 160 |
22 | 177 |
23 | 195 |
24 | 213 |
25 | 232 |
26 | 252 |
27 | 273 |
28 | 295 |
29 | 318 |
30 | 341 |
31 | 365 |
32 | 390 |
33 | 416 |
34 | 443 |
35 | 471 |
36 | 499 |
37 | 528 |
38 | 558 |
39 | 589 |
40 | 621 |
41 | 654 |
42 | 687 |
43 | 721 |
44 | 756 |
45 | 792 |
46 | 829 |
47 | 867 |
48 | 905 |
49 | 944 |
50 | 984 |
51 | 1025 |
52 | 1067 |
53 | 1110 |
[0,0,1,3,6,9,13,18,24,31,39,47,56,66,77,89,102, 115,129,144,160,177,195,213,232,252,273,295,318, 341,365,390,416,443,471,499,528,558,589,621,654, 687,721,756,792,829,867,905,944,984,1025,1067, 1110] |