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A050588 Numbers n such that 125*2^n-1 is prime. +0
1
2, 4, 44, 182, 496, 904, 1196, 3034, 4004, 5474, 18122, 21952, 24874, 27614, 31166, 35386, 44234, 51104, 96346, 100966, 109454, 123634, 388934, 418034, 659314, 918494 (list; graph; listen)
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

Kosmaj, Riesel list k<300.

CROSSREFS

Sequence in context: A059794 A141142 A007596 this_sequence A105282 A018325 A099804

Adjacent sequences: A050585 A050586 A050587 this_sequence A050589 A050590 A050591

KEYWORD

hard,nonn

AUTHOR

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

EXTENSIONS

More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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