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A262201 Prime p such that 2^p + 33 is also prime. 1

%I #28 Sep 08 2022 08:46:14

%S 2,3,11,1499,2039

%N Prime p such that 2^p + 33 is also prime.

%C a(6) > 203018.

%C A000040 INTERSECT A247953.

%e For p=3, 2^3 + 33 = 41, which is prime.

%t Select[Prime[Range[100000]], PrimeQ[(2^# + 33)] &]

%o (Magma) [p: p in PrimesUpTo(1000) | IsPrime(2^p+33)]; // _Vincenzo Librandi_, Oct 05 2015

%o (PARI) forprime(p=2, 10000, if (isprime(2^p + 33), print1(p", "))); \\ _Altug Alkan_, Oct 05 2015

%Y Cf. A157007.

%Y Cf. similar sequences of the type "Primes p such that 2^p + k" listed in A262098.

%K nonn,more

%O 1,1

%A _Robert Price_, Oct 04 2015

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)