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A050525 Primes of form 11*2^n-1. 1
43, 738197503, 12384898975268863, 198158383604301823, 935776509032580774524280170437362581503, 239558786312340678278215723631964820865023, 1243860333603982568026641440523014635142548663400435746517610765710004322303 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[11 2^Range[0, 250]-1, PrimeQ] (* Harvey P. Dale, Mar 30 2011 *)
CROSSREFS
See A001772 for more terms.
Sequence in context: A177417 A116139 A087529 * A138086 A023933 A271141
KEYWORD
nonn,nice
AUTHOR
N. J. A. Sloane, Dec 29 1999
STATUS
approved

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Last modified July 19 00:30 EDT 2024. Contains 374388 sequences. (Running on oeis4.)