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A173872
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Primes of the form 12*2^n - 11.
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1
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13, 37, 181, 373, 757, 3061, 6133, 12277, 196597, 1572853, 25165813, 805306357, 3221225461, 6442450933, 12884901877, 26388279066613, 3377699720527861, 1813388729421943762059253
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OFFSET
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1,1
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..33
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MAPLE
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select(isprime, [seq(12*2^n-11, n=1..1000)]); # Robert Israel, Aug 20 2014
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MATHEMATICA
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Select[NestList[2#+11&, 13, 80], PrimeQ] (* Harvey P. Dale, Jun 18 2013 *)
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CROSSREFS
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Cf. A139697
Sequence in context: A036570 A147615 A298683 * A155241 A155222 A155283
Adjacent sequences: A173869 A173870 A173871 * A173873 A173874 A173875
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KEYWORD
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nonn
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AUTHOR
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Vincenzo Librandi, Mar 05 2010
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STATUS
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approved
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