n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 5 |
6 | 7 |
7 | 10 |
8 | 14 |
9 | 18 |
10 | 22 |
11 | 27 |
12 | 33 |
13 | 39 |
14 | 45 |
15 | 52 |
16 | 60 |
17 | 68 |
18 | 76 |
19 | 85 |
20 | 95 |
21 | 105 |
22 | 115 |
23 | 126 |
24 | 138 |
25 | 150 |
26 | 162 |
27 | 175 |
28 | 189 |
29 | 203 |
30 | 217 |
31 | 232 |
32 | 248 |
33 | 264 |
34 | 280 |
35 | 297 |
36 | 315 |
37 | 333 |
38 | 351 |
39 | 370 |
40 | 390 |
41 | 410 |
42 | 430 |
43 | 451 |
44 | 473 |
45 | 495 |
46 | 517 |
47 | 540 |
48 | 564 |
49 | 588 |
50 | 612 |
51 | 637 |
52 | 663 |
53 | 689 |
54 | 715 |
55 | 742 |
56 | 770 |
57 | 798 |
[0,0,0,1,3,5,7,10,14,18,22,27,33,39,45,52,60,68, 76,85,95,105,115,126,138,150,162,175,189,203,217, 232,248,264,280,297,315,333,351,370,390,410,430, 451,473,495,517,540,564,588,612,637,663,689,715, 742,770,798] |