n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 10 |
6 | 15 |
7 | 21 |
8 | 28 |
9 | 36 |
10 | 45 |
11 | 55 |
12 | 66 |
13 | 77 |
14 | 89 |
15 | 102 |
16 | 116 |
17 | 131 |
18 | 147 |
19 | 164 |
20 | 182 |
21 | 201 |
22 | 221 |
23 | 242 |
24 | 264 |
25 | 286 |
26 | 309 |
27 | 333 |
28 | 358 |
29 | 384 |
30 | 411 |
31 | 439 |
32 | 468 |
33 | 498 |
34 | 529 |
35 | 561 |
36 | 594 |
37 | 627 |
38 | 661 |
39 | 696 |
40 | 732 |
41 | 769 |
42 | 807 |
43 | 846 |
44 | 886 |
45 | 927 |
46 | 969 |
47 | 1012 |
48 | 1056 |
49 | 1100 |
50 | 1145 |
51 | 1191 |
52 | 1238 |
53 | 1286 |
[0,0,1,3,6,10,15,21,28,36,45,55,66,77,89,102,116, 131,147,164,182,201,221,242,264,286,309,333,358, 384,411,439,468,498,529,561,594,627,661,696,732, 769,807,846,886,927,969,1012,1056,1100,1145,1191, 1238,1286] |