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A342431
as a simple table
n
a(n)
1
1
2
2
3
5
4
8
5
13
6
18
7
21
8
24
9
29
10
31
11
34
12
38
13
42
14
46
[1,2,5,8,13,18,21,24,29,31,34,38,42,46]