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Primes congruent to 8 mod 47.
1

%I #9 Sep 08 2022 08:45:36

%S 149,337,431,619,1277,1559,1747,2029,2311,2593,2687,2969,3251,3533,

%T 4003,4567,4943,5413,5507,6353,6823,6917,7481,7669,7951,8233,8609,

%U 9173,9643,10301,10771,11617,13121,13309,13591,13873,13967,14249,14437,14813,15377

%N Primes congruent to 8 mod 47.

%H Vincenzo Librandi, <a href="/A142359/b142359.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[{8},Mod[#,47]]&] (* _Vincenzo Librandi_, Aug 26 2012 *)

%o (Magma) [p: p in PrimesUpTo(18000) | p mod 47 eq 8]; // _Vincenzo Librandi_, Aug 26 2012

%o (PARI) is(n)=isprime(n) && n%47==8 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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