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Primes congruent to 27 mod 43.
1

%I #13 Oct 01 2024 07:23:50

%S 113,199,457,887,1231,1489,1747,2521,2693,3037,3209,3467,4241,4327,

%T 5101,5273,5531,6047,6133,6563,6907,7079,7681,7853,8111,8369,8627,

%U 8713,8971,10433,10691,10949,11551,11981,12239,12497,12583,12841,13099,13873,14303

%N Primes congruent to 27 mod 43.

%H Vincenzo Librandi, <a href="/A142276/b142276.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[5000]],MemberQ[{27},Mod[#,43]]&] (* _Vincenzo Librandi_, Aug 25 2012 *)

%o (Magma) [p: p in PrimesUpTo(16000) | p mod 43 eq 27 ]; // _Vincenzo Librandi_, Aug 25 2012

%o (PARI) is(n)=isprime(n) && n%43==27 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, Jul 11 2008