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A262934
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Prime p such that 2^p + 27 is also prime.
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1
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OFFSET
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1,1
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COMMENTS
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a(6) > 376790.
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LINKS
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FORMULA
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EXAMPLE
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Prime 5 is in sequence because 2^5 + 27 = 59, which is also prime.
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MATHEMATICA
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Select[Prime[Range[100000]], PrimeQ[(2^# + 27)] &]
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PROG
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(PARI) forprime(p=2, 10^30, if (isprime(2^p + 3^3), print1(p", "))); \\ Altug Alkan, Oct 04 2015
(Magma) [p: p in PrimesUpTo(100) | IsPrime(2^p+27)]; // Vincenzo Librandi, Oct 05 2015
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CROSSREFS
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Cf. similar sequences of the type "Primes p such that 2^p + k" listed in A262098.
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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