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%I #12 Sep 08 2022 08:45:35
%S 13,109,173,269,397,461,557,653,877,941,1069,1229,1453,1549,1613,1709,
%T 1741,1901,1933,1997,2029,2221,2381,2477,2797,2861,2957,3181,3373,
%U 3469,3533,3821,3853,3917,4013,4397,4493,4621,4813,4877,4909,4973,5101,5197,5261
%N Primes congruent to 13 mod 32.
%H Vincenzo Librandi, <a href="/A142040/b142040.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) ~ 16n log n. - _Charles R Greathouse IV_, Jul 03 2016
%t Select[Range[13,20000,32],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, May 02 2011 *)
%t Select[Prime[Range[2000]],MemberQ[{13},Mod[#,32]]&] (* _Vincenzo Librandi_, Aug 18 2012 *)
%o (Magma) [p: p in PrimesUpTo(6000) | p mod 32 eq 13 ]; // _Vincenzo Librandi_, Aug 18 2012
%o (PARI) is(n)=isprime(n) && n%32==13 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008