n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 3 |
7 | 5 |
8 | 7 |
9 | 9 |
10 | 12 |
11 | 15 |
12 | 18 |
13 | 22 |
14 | 26 |
15 | 30 |
16 | 35 |
17 | 40 |
18 | 45 |
19 | 51 |
20 | 57 |
21 | 63 |
22 | 70 |
23 | 77 |
24 | 84 |
25 | 92 |
26 | 100 |
27 | 108 |
28 | 117 |
29 | 126 |
30 | 135 |
31 | 145 |
32 | 155 |
33 | 165 |
34 | 176 |
35 | 187 |
36 | 198 |
37 | 210 |
38 | 222 |
39 | 234 |
40 | 247 |
41 | 260 |
42 | 273 |
43 | 287 |
44 | 301 |
45 | 315 |
46 | 330 |
47 | 345 |
48 | 360 |
49 | 376 |
50 | 392 |
[0,0,0,1,2,3,5,7,9,12,15,18,22,26,30,35,40,45,51, 57,63,70,77,84,92,100,108,117,126,135,145,155,165, 176,187,198,210,222,234,247,260,273,287,301,315, 330,345,360,376,392] |