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A018685 as a simple table

n a(n)
1 1
2 3
3 5
4 9
5 15
6 19
7 45
8 57
9 95
10 171
11 285
12 855 

[1,3,5,9,15,19,45,57,95,171,285,855]

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Last modified May 22 15:12 EDT 2013. Contains 225552 sequences.