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A165722
as a simple table
n
a(n)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
10
9
12
10
13
11
14
12
17
13
18
14
23
15
37
16
43
17
46
18
60
19
119
20
183
21
223
[1,2,3,4,5,6,7,10,12,13,14,17,18,23,37,43,46,60, 119,183,223]