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A032413 Numbers n such that 127*2^n+1 is prime. 0
2, 12, 18, 24, 54, 72, 114, 180, 214, 504, 558, 964, 1098, 1420, 2764, 4322, 5582, 10538, 14634, 23970, 61054, 67318, 88958, 96744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

Ray Ballinger, Proth Search Page

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

Y. Gallot, Proth.exe: Windows Program for Finding Large Primes

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

Cf. A032418.

Sequence in context: A063576 A144264 A120350 * A190044 A066238 A101074

Adjacent sequences:  A032410 A032411 A032412 * A032414 A032415 A032416

KEYWORD

nonn

AUTHOR

James R. Buddenhagen

STATUS

approved

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Last modified May 20 00:55 EDT 2013. Contains 225444 sequences.