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A078590 a(1)=1, a(2)=1, a(n)=(2^a(n-1) + 1)/a(n-2). +0
1
1, 1, 3, 9, 171, 332572817028187686275682948600327513806149983112761 (list; graph; listen)
OFFSET

1,3
COMMENT

Are all terms integers?

CROSSREFS

Sequence in context: A082707 A087193 A101967 this_sequence A061963 A062228 A091409

Adjacent sequences: A078587 A078588 A078589 this_sequence A078591 A078592 A078593

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 06 2002

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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