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A053363 Numbers n such that 293*2^n+1 is prime. +0
1
1, 5, 181, 257, 469, 1541, 2857, 3521, 14245 (list; graph; listen)
OFFSET

1,2

LINKS

Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300

Wilfrid Keller, List of primes k.2^n - 1 for k < 300

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

CROSSREFS

Sequence in context: A136143 A035791 A162136 this_sequence A027572 A050239 A094081

Adjacent sequences: A053360 A053361 A053362 this_sequence A053364 A053365 A053366

KEYWORD

hard,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 29 1999

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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