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A018727
as a simple table
n
a(n)
1
1
2
2
3
3
4
5
5
6
6
10
7
15
8
30
9
31
10
62
11
93
12
155
13
186
14
310
15
465
16
930
[1,2,3,5,6,10,15,30,31,62,93,155,186,310,465,930]