n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 9 |
6 | 13 |
7 | 18 |
8 | 24 |
9 | 30 |
10 | 37 |
11 | 45 |
12 | 54 |
13 | 63 |
14 | 73 |
15 | 84 |
16 | 96 |
17 | 108 |
18 | 121 |
19 | 135 |
20 | 150 |
21 | 165 |
22 | 181 |
23 | 198 |
24 | 216 |
25 | 234 |
26 | 253 |
27 | 273 |
28 | 294 |
29 | 315 |
30 | 337 |
31 | 360 |
32 | 384 |
33 | 408 |
34 | 433 |
35 | 459 |
36 | 486 |
37 | 513 |
38 | 541 |
39 | 570 |
40 | 600 |
41 | 630 |
42 | 661 |
43 | 693 |
44 | 726 |
45 | 759 |
46 | 793 |
47 | 828 |
[0,0,1,3,6,9,13,18,24,30,37,45,54,63,73,84,96,108, 121,135,150,165,181,198,216,234,253,273,294,315, 337,360,384,408,433,459,486,513,541,570,600,630, 661,693,726,759,793,828] |