n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 10 |
4 | 15 |
5 | 21 |
6 | 28 |
7 | 36 |
8 | 45 |
9 | 55 |
10 | 66 |
11 | 78 |
12 | 91 |
13 | 105 |
14 | 120 |
15 | 136 |
16 | 153 |
17 | 171 |
18 | 190 |
19 | 210 |
20 | 231 |
21 | 254 |
22 | 278 |
23 | 303 |
24 | 329 |
25 | 356 |
26 | 384 |
27 | 413 |
28 | 443 |
29 | 474 |
30 | 506 |
31 | 539 |
32 | 573 |
33 | 608 |
34 | 644 |
35 | 681 |
36 | 719 |
37 | 758 |
38 | 798 |
39 | 839 |
40 | 881 |
41 | 924 |
42 | 969 |
43 | 1015 |
44 | 1062 |
45 | 1110 |
46 | 1159 |
47 | 1209 |
48 | 1260 |
49 | 1312 |
50 | 1365 |
51 | 1419 |
52 | 1474 |
53 | 1530 |
54 | 1587 |
[1,3,6,10,15,21,28,36,45,55,66,78,91,105,120,136, 153,171,190,210,231,254,278,303,329,356,384,413, 443,474,506,539,573,608,644,681,719,758,798,839, 881,924,969,1015,1062,1110,1159,1209,1260,1312, 1365,1419,1474,1530,1587] |