|
%I #11 Sep 08 2022 08:45:36
%S 2,131,389,647,733,991,1163,1249,2281,2539,2711,2797,2969,3313,3571,
%T 4001,4259,4517,4603,4861,5119,5807,6151,6323,6581,7699,8387,8731,
%U 9161,9419,9677,10193,10709,11311,11483,11827,12343,12601,13633,14149,14321,14407
%N Primes congruent to 2 mod 43.
%H Vincenzo Librandi, <a href="/A142251/b142251.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[{2},Mod[#,43]]&] (* _Vincenzo Librandi_, Aug 24 2012 *)
%t Select[Range[2,15000,43],PrimeQ] (* _Harvey P. Dale_, Jan 02 2019 *)
%o (Magma) [p: p in PrimesUpTo(15000) | p mod 43 eq 2 ]; // _Vincenzo Librandi_, Aug 24 2012
%o (PARI) is(n)=isprime(n) && n%43==2 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
|
