A142255 - OEIS

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

%S 307,479,823,1511,1597,2027,2113,2371,2543,2801,2887,3833,3919,4091,

%T 4177,4349,4951,5209,5381,5639,5897,7187,7703,7789,8219,8563,8821,

%U 9337,9767,10111,10369,10627,10799,11057,11831,12347,12433,13121,13723,14153,14411

%N Primes congruent to 6 mod 43.

%H Vincenzo Librandi, <a href="/A142255/b142255.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 42n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Prime[Range[5000]],MemberQ[{6},Mod[#,43]]&] (* _Vincenzo Librandi_ Aug 24 2012 *)

%t Select[Range[6,15000,43],PrimeQ] (* _Harvey P. Dale_, Sep 19 2016 *)

%o (Magma) [p: p in PrimesUpTo(15000) | p mod 43 eq 6 ]; // _Vincenzo Librandi_, Aug 24 2012

%o (PARI) is(n)=isprime(n) && n%43==6 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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