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A032491 Numbers n such that 229*2^n+1 is prime. 0
6, 82, 186, 334, 690, 838, 1146, 1482, 2262, 5118, 5398, 6294, 9322, 15270, 15930, 28134, 34926, 47878, 52986 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

Ray Ballinger, Proth Search Page

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: A204264 A076282 A121790 * A135624 A089397 A089701

Adjacent sequences:  A032488 A032489 A032490 * A032492 A032493 A032494

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.