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A043353
as a simple table
n
a(n)
1
1
2
5
3
7
4
8
5
9
6
11
7
16
8
21
9
25
10
27
11
28
12
29
13
35
14
37
15
38
16
39
17
40
18
42
19
43
20
44
21
45
22
47
[1,5,7,8,9,11,16,21,25,27,28,29,35,37,38,39,40,42, 43,44,45,47]