A142094 - OEIS

%I #13 Sep 08 2022 08:45:35

%S 97,167,307,587,727,797,937,1217,1427,1567,1637,1777,1847,1987,2267,

%T 2477,2617,2687,2897,3037,3457,3527,3877,3947,4157,4297,4507,4787,

%U 5347,5417,5557,6047,6257,6397,6607,7027,7237,7307,7517,7727,7867,7937,8147,8287

%N Primes congruent to 27 mod 35.

%H Vincenzo Librandi, <a href="/A142094/b142094.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 24n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Range[27, 20000, 35], PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, Jun 29 2011 *)

%t Select[Prime[Range[3000]],MemberQ[{27},Mod[#,35]]&] (* _Vincenzo Librandi_, Aug 19 2012 *)

%o (Magma)[p: p in PrimesUpTo(9000) | p mod 35 eq 27 ]; // _Vincenzo Librandi_, Aug 19 2012

%o (PARI) is(n)=isprime(n) && n%35==27 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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