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A050852 Numbers n such that 201*2^n-1 is prime. +0
1
1, 3, 9, 10, 14, 17, 21, 37, 57, 66, 70, 87, 94, 99, 123, 141, 147, 183, 207, 246, 269, 291, 313, 341, 361, 363, 615, 743, 1318, 1515, 1798, 2413, 2797, 3254, 3826, 7574, 11770, 15029, 21313, 21543, 21637, 30289, 31078, 37511, 70919, 80238, 81215, 81459 (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

Kosmaj, Riesel list k<300.

CROSSREFS

Sequence in context: A030354 A108865 A036119 this_sequence A066887 A030608 A118515

Adjacent sequences: A050849 A050850 A050851 this_sequence A050853 A050854 A050855

KEYWORD

hard,nonn

AUTHOR

njas, Dec 29 1999

EXTENSIONS

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

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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