n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 1 |
8 | 0 |
9 | 4 |
10 | 4 |
11 | 5 |
12 | 5 |
13 | 6 |
14 | 6 |
15 | 6 |
16 | 6 |
17 | 7 |
18 | 7 |
19 | 8 |
20 | 8 |
21 | 8 |
22 | 8 |
23 | 9 |
24 | 9 |
25 | 9 |
26 | 9 |
27 | 9 |
28 | 9 |
29 | 10 |
30 | 10 |
31 | 11 |
32 | 11 |
33 | 11 |
34 | 11 |
35 | 11 |
36 | 11 |
37 | 12 |
38 | 12 |
39 | 12 |
40 | 12 |
41 | 13 |
42 | 13 |
43 | 14 |
44 | 14 |
45 | 14 |
46 | 14 |
47 | 15 |
48 | 15 |
49 | 15 |
50 | 15 |
51 | 15 |
52 | 15 |
53 | 16 |
54 | 16 |
55 | 16 |
56 | 16 |
57 | 16 |
58 | 16 |
59 | 17 |
60 | 17 |
61 | 18 |
62 | 18 |
63 | 18 |
64 | 18 |
65 | 18 |
66 | 18 |
67 | 19 |
68 | 19 |
69 | 19 |
70 | 19 |
71 | 20 |
72 | 20 |
73 | 21 |
74 | 21 |
75 | 21 |
76 | 21 |
77 | 21 |
78 | 21 |
[0,0,0,0,1,0,1,0,4,4,5,5,6,6,6,6,7,7,8,8,8,8,9,9, 9,9,9,9,10,10,11,11,11,11,11,11,12,12,12,12,13,13, 14,14,14,14,15,15,15,15,15,15,16,16,16,16,16,16, 17,17,18,18,18,18,18,18,19,19,19,19,20,20,21,21, 21,21,21,21] |