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