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.

A262099 Primes p such that 2^p + 17 is also prime.

This page as a plain text file.
%I A262099 #25 Sep 08 2022 08:46:14
%S A262099 13,769,4441,184189
%N A262099 Primes p such that 2^p + 17 is also prime.
%C A262099 a(5) > 5*10^5. - _Robert Price_, Sep 18 2015
%C A262099 A000040 INTERSECT A057200. - _Robert Price_, Sep 18 2015
%e A262099 13 is in sequence because 2^13 + 17 = 8209 is prime.
%t A262099 Select[Prime[Range[1000]], PrimeQ[2^# + 17] &]
%o A262099 (Magma) [p: p in PrimesUpTo(1000) | IsPrime(2^p+17)];
%o A262099 (PARI) for(n=1, 1e3, if(isprime((2^prime(n))+17), print1(prime(n)", "))) \\ _Altug Alkan_, Sep 18 2015
%Y A262099 Subsequence of primes of A057200.
%Y A262099 Cf. similar sequences listed in A262098.
%K A262099 nonn,more
%O A262099 1,1
%A A262099 _Vincenzo Librandi_, Sep 18 2015