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A053352 Numbers n such that 271*2^n+1 is prime. 0
4, 84, 2164, 7780, 48100 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

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: A203095 A006344 A203244 * A156477 A024259 A024260

Adjacent sequences:  A053349 A053350 A053351 * A053353 A053354 A053355

KEYWORD

hard,nonn

AUTHOR

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

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Last modified February 16 16:00 EST 2012. Contains 205938 sequences.