n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 3 |
10 | 3 |
11 | 6 |
12 | 6 |
13 | 10 |
14 | 10 |
15 | 16 |
16 | 17 |
17 | 25 |
18 | 27 |
19 | 37 |
20 | 40 |
21 | 53 |
22 | 57 |
23 | 73 |
24 | 79 |
25 | 99 |
26 | 107 |
27 | 131 |
28 | 142 |
29 | 171 |
30 | 184 |
31 | 218 |
32 | 235 |
33 | 275 |
34 | 296 |
35 | 343 |
36 | 368 |
37 | 422 |
38 | 452 |
39 | 514 |
40 | 550 |
41 | 621 |
42 | 663 |
43 | 743 |
44 | 792 |
45 | 883 |
46 | 939 |
47 | 1041 |
48 | 1106 |
49 | 1220 |
50 | 1294 |
51 | 1421 |
52 | 1505 |
53 | 1646 |
54 | 1740 |
[0,0,0,0,1,0,1,1,3,3,6,6,10,10,16,17,25,27,37,40, 53,57,73,79,99,107,131,142,171,184,218,235,275, 296,343,368,422,452,514,550,621,663,743,792,883, 939,1041,1106,1220,1294,1421,1505,1646,1740] |