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%I #11 Sep 08 2022 08:45:36
%S 173,431,947,1033,1291,1549,1721,1979,2237,2753,3011,3527,3613,4129,
%T 4817,4903,5333,5419,5591,5849,6451,6709,6967,7741,8171,8429,9203,
%U 9461,9547,9719,10321,10837,11353,11783,12041,13159,13331,13417,13933,14449,14621
%N Primes congruent to 1 mod 43.
%H Vincenzo Librandi, <a href="/A142250/b142250.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[{1},Mod[#,43]]&] (* _Vincenzo Librandi_, Aug 24 2012 *)
%t Select[Range[1,15000,43],PrimeQ] (* _Harvey P. Dale_, Jul 18 2022 *)
%o (Magma) [p: p in PrimesUpTo(15000) | p mod 43 eq 1 ]; // _Vincenzo Librandi_, Aug 24 2012
%o (PARI) is(n)=isprime(n) && n%43==1 \\ _Charles R Greathouse IV_, Jul 03 2016
%Y Cf. A000040.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Jul 11 2008
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