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A072966 formatted as a simple table:

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 9
10 11
11 17
12 22
13 33

[0,1,2,3,4,5,6,7,9,11,17,22,33]

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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