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A142212 Primes congruent to 15 mod 41. 2

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

%S 97,179,1163,1327,1409,1901,2311,2393,2557,2803,3049,3541,3623,5099,

%T 5591,6247,6329,7477,7559,7723,8297,8461,8543,8707,9199,9281,10429,

%U 11003,11987,12479,12889,13217,13381,13463,13627,13709,13873,14447,14939,15349,15923

%N Primes congruent to 15 mod 41.

%H Vincenzo Librandi, <a href="/A142212/b142212.txt">Table of n, a(n) for n = 1..1000</a>

%F a(n) ~ 40n log n. - _Charles R Greathouse IV_, Jul 02 2016

%t Select[Range[15,30000,41],PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, May 17 2011 *)

%t Select[Prime[Range[5000]],MemberQ[{15},Mod[#,41]]&] (* _Vincenzo Librandi_, Aug 23 2012 *)

%o (Magma) [p: p in PrimesUpTo(16000) | p mod 41 eq 15 ]; // _Vincenzo Librandi_, Aug 23 2012

%o (PARI) is(n)=isprime(n) && n%41==15 \\ _Charles R Greathouse IV_, Jul 02 2016

%Y Cf. A000040, A059236, A142199, A142200, A142211.

%K nonn,easy

%O 1,1

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

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)