n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | -1 |
5 | -1 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 2 |
10 | 3 |
11 | 3 |
12 | 4 |
13 | 5 |
14 | 5 |
15 | 5 |
16 | 4 |
17 | 4 |
18 | 4 |
19 | 5 |
20 | 6 |
21 | 6 |
22 | 7 |
23 | 8 |
24 | 8 |
25 | 9 |
26 | 10 |
27 | 10 |
28 | 10 |
29 | 9 |
30 | 9 |
31 | 9 |
32 | 10 |
33 | 10 |
34 | 10 |
35 | 9 |
36 | 8 |
37 | 8 |
38 | 7 |
39 | 6 |
40 | 6 |
41 | 6 |
42 | 7 |
43 | 7 |
44 | 7 |
45 | 6 |
46 | 6 |
47 | 6 |
48 | 7 |
49 | 8 |
50 | 8 |
51 | 9 |
52 | 10 |
53 | 10 |
54 | 10 |
55 | 9 |
56 | 9 |
57 | 9 |
58 | 10 |
59 | 10 |
60 | 10 |
61 | 9 |
62 | 8 |
63 | 8 |
64 | 7 |
65 | 6 |
66 | 6 |
67 | 5 |
68 | 4 |
69 | 4 |
70 | 4 |
71 | 5 |
72 | 5 |
73 | 5 |
74 | 4 |
75 | 3 |
76 | 3 |
77 | 2 |
78 | 1 |
79 | 1 |
80 | 0 |
81 | -1 |
[0,0,0,-1,-1,-1,0,1,1,2,3,3,4,5,5,5,4,4,4,5,6,6,7, 8,8,9,10,10,10,9,9,9,10,10,10,9,8,8,7,6,6,6,7,7,7, 6,6,6,7,8,8,9,10,10,10,9,9,9,10,10,10,9,8,8,7,6,6, 5,4,4,4,5,5,5,4,3,3,2,1,1,0,-1] |