n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 4 |
9 | 6 |
10 | 8 |
11 | 11 |
12 | 14 |
13 | 18 |
14 | 22 |
15 | 27 |
16 | 33 |
17 | 39 |
18 | 46 |
19 | 54 |
20 | 63 |
21 | 72 |
22 | 83 |
23 | 94 |
24 | 107 |
25 | 120 |
26 | 135 |
27 | 150 |
28 | 167 |
29 | 185 |
30 | 204 |
31 | 225 |
32 | 247 |
33 | 270 |
34 | 295 |
35 | 321 |
36 | 349 |
37 | 378 |
38 | 409 |
39 | 441 |
40 | 475 |
41 | 511 |
42 | 549 |
43 | 588 |
44 | 629 |
45 | 672 |
46 | 717 |
47 | 764 |
48 | 813 |
49 | 864 |
50 | 917 |
51 | 972 |
52 | 1030 |
53 | 1089 |
54 | 1151 |
55 | 1215 |
[0,0,0,0,1,1,2,3,4,6,8,11,14,18,22,27,33,39,46,54, 63,72,83,94,107,120,135,150,167,185,204,225,247, 270,295,321,349,378,409,441,475,511,549,588,629, 672,717,764,813,864,917,972,1030,1089,1151,1215] |