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