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A086186
as a simple table
n
a(n)
1
3
2
4
3
5
4
9
5
26
6
79
7
84
8
97
9
592
10
628
11
862
12
5028
13
9644
14
23846
15
60943
16
82534
17
93751
18
94912
19
949129
[3,4,5,9,26,79,84,97,592,628,862,5028,9644,23846, 60943,82534,93751,94912,949129]