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A144964 formatted as a simple table:

n a(n)
1 1
2 3
3 31
4 16383
5 4398046511103
6 5444517870735015415413993718908291383295

[1,3,31,16383,4398046511103,
 5444517870735015415413993718908291383295]

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


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