A142298 - OEIS

%I #12 Sep 08 2022 08:45:36

%S 59,103,191,367,499,587,631,719,983,1291,1423,1511,1907,1951,2039,

%T 2083,2347,2699,2963,3271,3359,3491,3623,3931,4019,4283,4327,4547,

%U 4591,4679,4723,4943,4987,5119,5471,5647,5779,5867,6043,6131,6263,6571,6659,6703

%N Primes congruent to 15 mod 44.

%H Vincenzo Librandi, <a href="/A142298/b142298.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 20n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[2500]],MemberQ[{15},Mod[#,44]]&] (* _Vincenzo Librandi_, Aug 25 2012 *)

%t Select[Range[15,7000,44],PrimeQ] (* _Harvey P. Dale_, Aug 22 2021 *)

%o (Magma) [p: p in PrimesUpTo(7000) | p mod 44 eq 15 ]; // _Vincenzo Librandi_, Aug 25 2012

%o (PARI) is(n)=isprime(n) && n%44==15 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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