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%I A142258 #11 Sep 08 2022 08:45:36
%S A142258 181,353,439,1213,1471,1901,1987,2417,2503,3019,3191,3449,3793,4051,
%T A142258 4481,4567,5857,6029,6287,6373,6803,7577,8093,8179,8609,8867,10243,
%U A142258 10501,11447,12049,12479,12823,13339,13597,14543,14629,14887,15661,15919,16091,16349
%N A142258 Primes congruent to 9 mod 43.
%H A142258 Vincenzo Librandi, <a href="/A142258/b142258.txt">Table of n, a(n) for n = 1..1000</a>
%F A142258 a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 02 2016
%t A142258 Select[Prime[Range[5000]], MemberQ[{9}, Mod[#, 43]] &] (* _Vincenzo Librandi_, Aug 24 2012 *)
%o A142258 (Magma) [p: p in PrimesUpTo(17000) | p mod 43 eq 9 ]; // _Vincenzo Librandi_, Aug 24 2012
%o A142258 (PARI) is(n)=isprime(n) && n%43==9 \\ _Charles R Greathouse IV_, Jul 02 2016
%Y A142258 Cf. A000040.
%K A142258 nonn,easy
%O A142258 1,1
%A A142258 _N. J. A. Sloane_, Jul 11 2008

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