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A142568 Primes congruent to 38 mod 53. 1

%I

%S 197,409,727,1151,1787,1999,2423,2741,2953,3271,3907,4013,4649,4861,

%T 4967,5179,6133,6451,7193,7723,7829,8147,8677,8783,9419,9631,9949,

%U 10267,10691,10903,12281,12917,13553,14083,14401,15461,15991,16097,17581,18217,18959

%N Primes congruent to 38 mod 53.

%H Vincenzo Librandi, <a href="/A142568/b142568.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 52n log n. - _Charles R Greathouse IV_, Jul 04 2016

%t Select[Prime[Range[2200]],Mod[#,53]==38&] (* _Harvey P. Dale_, Apr 29 2011 *)

%t Select[Prime[Range[2600]], MemberQ[{38}, Mod[#, 53]] &] (* _Vincenzo Librandi_, Aug 30 2012 *)

%o (MAGMA) [p: p in PrimesUpTo(20000) | p mod 53 eq 38]; // _Vincenzo Librandi_, Aug 30 2012

%o (PARI) is(n)=isprime(n) && n%53==38 \\ _Charles R Greathouse IV_, Jul 04 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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

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Last modified June 18 15:19 EDT 2021. Contains 345120 sequences. (Running on oeis4.)