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A083376
as a simple table
n
a(n)
1
2
2
3
3
4
4
5
5
6
6
7
7
9
8
18
9
23
10
27
11
63
12
105
13
164
14
189
15
214
16
1467
17
3666
18
3838
[2,3,4,5,6,7,9,18,23,27,63,105,164,189,214,1467, 3666,3838]