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%I #17 Sep 08 2022 08:45:50
%S 2,3,7,11,13,17,19,23,29,31,37,53,59,61,71,79,83,137,139,149,151,157,
%T 163,167,181,191,193,199,211,223,227,229,239,269,281,283,307,311,313,
%U 317,347,353,359,367,379,383,389,401,419,491,509,521,523,541,557
%N Primes p such that 5+38*p^2 is also prime.
%H Bruno Berselli, <a href="/A173555/b173555.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[200]],PrimeQ[5+38#^2]&] (* _Harvey P. Dale_, Jul 24 2011 *)
%o (Magma) [p: p in PrimesUpTo(1000) | IsPrime(5+38*p^2)]; // _Vincenzo Librandi_, Sep 13 2015
%o (PARI) lista(nn) = forprime(p=2, nn, if (isprime(5+38*p^2), print1(p, ", "))); \\ _Michel Marcus_, Sep 13 2015
%Y Subsequence of A173552.
%Y Cf. A173553, A173554.
%K nonn,easy
%O 1,1
%A _Vincenzo Librandi_, Feb 21 2010
%E Edited, corrected and extended by _Alonso del Arte_ and _N. J. A. Sloane_, Jun 18 2010