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