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