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A142203 Primes congruent to 6 mod 41. 1

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

%S 47,211,293,457,1031,1277,1523,1933,2179,2671,2753,2917,2999,3163,

%T 3491,4229,4639,4721,4967,5623,5869,6197,6361,6607,6689,7591,7673,

%U 7919,8329,8821,9067,9887,10133,10789,11117,11527,12101,12347,12511,12757,13003,13249

%N Primes congruent to 6 mod 41.

%H Vincenzo Librandi, <a href="/A142203/b142203.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 40n log n. - _Charles R Greathouse IV_, Jul 03 2016

%t Select[Range[6,30000,41],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, May 17 2011 *)

%t Select[Prime[Range[5000]],MemberQ[{6},Mod[#,41]]&] (* _Vincenzo Librandi_, Aug 23 2012 *)

%o (Magma) [p: p in PrimesUpTo(14000) | p mod 41 eq 6 ]; // _Vincenzo Librandi_, Aug 23 2012

%o (PARI) is(n)=isprime(n) && n%41==6 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040, A059236, A142199, A142200.

%K nonn,easy

%O 1,1

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

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Last modified August 17 18:21 EDT 2024. Contains 375227 sequences. (Running on oeis4.)