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A098864 Numbers n such that (6^n)*(2^n -1) +1 is prime. +0
1
1, 2, 4, 8, 15, 46, 58, 74, 262, 898 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A108693 A007673 A026096 this_sequence A002546 A010745 A097777

Adjacent sequences: A098861 A098862 A098863 this_sequence A098865 A098866 A098867

KEYWORD

more,nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Oct 12 2004

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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