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A065688
as a simple table
n
a(n)
1
2
2
3
3
5
4
5
5
5
6
7
7
11
8
11
9
11
10
11
11
11
12
11
13
11
14
11
15
11
16
13
17
13
18
13
19
13
20
29
21
29
22
19
23
19
[2,3,5,5,5,7,11,11,11,11,11,11,11,11,11,13,13,13, 13,29,29,19,19]