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A105682
as a simple table
n
a(n)
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
8
9
4
10
4
11
4
12
8
13
4
14
8
15
8
16
8
17
8
18
8
19
8
20
8
21
8
22
8
23
12
24
16
[4,4,4,4,4,4,4,8,4,4,4,8,4,8,8,8,8,8,8,8,8,8,12, 16]