A142076 - OEIS

%I #11 Sep 08 2022 08:45:35

%S 71,211,281,421,491,631,701,911,1051,1471,2311,2381,2521,2591,2731,

%T 2801,3011,3221,3361,3571,3851,4201,4271,4481,4621,4691,4831,5531,

%U 5741,5881,6091,6301,6581,6791,7001,7211,7351,7561,7841,8191,8681,8821,9241,9311

%N Primes congruent to 1 mod 35.

%H Vincenzo Librandi, <a href="/A142076/b142076.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[Prime[Range[4000]],MemberQ[{1},Mod[#,35]]&] (* _Vincenzo Librandi_, Aug 18 2012 *)

%t Select[Range[1,9400,35],PrimeQ] (* _Harvey P. Dale_, Aug 25 2022 *)

%o (Magma) [p: p in PrimesUpTo(10000) | p mod 35 eq 1 ]; // _Vincenzo Librandi_, Aug 18 2012

%o (PARI) is(n)=isprime(n) && n%35==1 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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