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A018550 as a simple table

n a(n)
1 1
2 2
3 3
4 4
5 6
6 9
7 12
8 17
9 18
10 34
11 36
12 51
13 68
14 102
15 153
16 204
17 306
18 612 

[1,2,3,4,6,9,12,17,18,34,36,51,68,102,153,204,306,
 612]

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Last modified April 23 20:27 EDT 2024. Contains 371916 sequences. (Running on oeis4.)