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