cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A175234 Primes p such that 2^p+15 is also prime.

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%I A175234 #11 Sep 08 2022 08:45:51
%S A175234 2,3,5,11,23,61
%N A175234 Primes p such that 2^p+15 is also prime.
%C A175234 No additional terms through n=5000. - _Harvey P. Dale_, Apr 13 2014
%C A175234 a(7) > 5*10^5. - _Robert Price_, Sep 18 2015
%F A175234 A000040 INTERSECT A057197. [_R. J. Mathar_, May 02 2010]
%e A175234 For p=2, 2^2+15=19; p=3, 2^3+15=23; p=5, 2^5+15=47.
%t A175234 Select[Prime[Range[1000]],PrimeQ[2^#+15]&] (* _Harvey P. Dale_, Apr 13 2014 *)
%o A175234 (Magma) [p: p in PrimesUpTo(6000) | IsPrime(2^p+15) ]
%K A175234 nonn
%O A175234 1,1
%A A175234 _Vincenzo Librandi_, Mar 09 2010