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A139293 formatted as a simple table:

n a(n)
1 0
2 3
3 63
4 1023
5 262143
6 4194303
7 1073741823
8 17179869183

[0,3,63,1023,262143,4194303,1073741823,
 17179869183]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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