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A018739 formatted as a simple table:

n a(n)
1 1
2 2
3 5
4 10
5 19
6 25
7 38
8 50
9 95
10 190
11 475
12 950

[1,2,5,10,19,25,38,50,95,190,475,950]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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