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 | 54 |
12 | 64 |
13 | 75 |
14 | 87 |
15 | 100 |
16 | 114 |
17 | 129 |
18 | 145 |
19 | 162 |
20 | 180 |
21 | 198 |
22 | 217 |
23 | 237 |
24 | 258 |
25 | 280 |
26 | 303 |
27 | 327 |
28 | 352 |
29 | 378 |
30 | 405 |
31 | 432 |
32 | 460 |
33 | 489 |
34 | 519 |
35 | 550 |
36 | 582 |
37 | 615 |
38 | 649 |
39 | 684 |
40 | 720 |
41 | 756 |
42 | 793 |
43 | 831 |
44 | 870 |
45 | 910 |
46 | 951 |
47 | 993 |
48 | 1036 |
49 | 1080 |
50 | 1125 |
51 | 1170 |
52 | 1216 |
53 | 1263 |
[0,0,1,3,6,10,15,21,28,36,45,54,64,75,87,100,114, 129,145,162,180,198,217,237,258,280,303,327,352, 378,405,432,460,489,519,550,582,615,649,684,720, 756,793,831,870,910,951,993,1036,1080,1125,1170, 1216,1263] |