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Primes congruent to 26 mod 47.
1

%I #11 Sep 08 2022 08:45:36

%S 73,167,449,919,1013,1201,1483,2141,2423,3457,3739,3833,4021,4397,

%T 4679,5431,5807,6089,6277,6653,6841,7499,7687,8627,9473,9661,10037,

%U 10601,10789,10883,11071,11353,11447,12011,12763,13327,13421,14173,14549,14737,14831

%N Primes congruent to 26 mod 47.

%H Vincenzo Librandi, <a href="/A142377/b142377.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 46n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[2500]],MemberQ[{26},Mod[#,47]]&] (* _Vincenzo Librandi_, Aug 27 2012 *)

%t Select[Range[26,15000,47],PrimeQ] (* _Harvey P. Dale_, Apr 23 2022 *)

%o (Magma) [p: p in PrimesUpTo(18000) | p mod 47 eq 26]; // _Vincenzo Librandi_, Aug 27 2012

%o (PARI) is(n)=isprime(n) && n%47==26 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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