n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 2 |
10 | 3 |
11 | 4 |
12 | 5 |
13 | 8 |
14 | 10 |
15 | 15 |
16 | 18 |
17 | 26 |
18 | 32 |
19 | 44 |
20 | 56 |
21 | 73 |
22 | 92 |
23 | 120 |
24 | 149 |
25 | 193 |
26 | 238 |
27 | 302 |
28 | 373 |
29 | 469 |
30 | 576 |
31 | 716 |
32 | 876 |
33 | 1081 |
34 | 1316 |
35 | 1615 |
36 | 1954 |
37 | 2383 |
38 | 2875 |
39 | 3483 |
40 | 4188 |
41 | 5048 |
42 | 6043 |
43 | 7253 |
44 | 8653 |
45 | 10341 |
46 | 12293 |
47 | 14634 |
48 | 17340 |
49 | 20567 |
50 | 24300 |
51 | 28717 |
52 | 33830 |
[0,0,0,0,1,0,1,1,2,3,4,5,8,10,15,18,26,32,44,56, 73,92,120,149,193,238,302,373,469,576,716,876, 1081,1316,1615,1954,2383,2875,3483,4188,5048,6043, 7253,8653,10341,12293,14634,17340,20567,24300, 28717,33830] |