n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 4 |
7 | 4 |
8 | 5 |
9 | 5 |
10 | 6 |
11 | 8 |
12 | 9 |
13 | 9 |
14 | 9 |
15 | 10 |
16 | 11 |
17 | 12 |
18 | 13 |
19 | 13 |
20 | 15 |
21 | 16 |
22 | 16 |
23 | 16 |
24 | 18 |
25 | 18 |
26 | 20 |
27 | 20 |
28 | 21 |
29 | 22 |
30 | 22 |
31 | 24 |
32 | 25 |
33 | 25 |
34 | 25 |
35 | 27 |
36 | 27 |
37 | 28 |
38 | 30 |
39 | 30 |
[0,1,1,2,3,4,4,5,5,6,8,9,9,9,10,11,12,13,13,15,16, 16,16,18,18,20,20,21,22,22,24,25,25,25,27,27,28, 30,30] |