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Primes congruent to 28 mod 41.
1

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

%S 151,233,397,479,643,971,1217,1381,1627,1709,1873,2447,2693,2857,2939,

%T 3677,3923,5153,5399,5563,6301,6547,6793,7039,7121,8269,8597,8761,

%U 9007,10729,11057,11467,11549,11959,12041,12451,12697,13681,13763,14009,14173,14419

%N Primes congruent to 28 mod 41.

%H Vincenzo Librandi, <a href="/A142225/b142225.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[28,14500,41],PrimeQ] (* _Harvey P. Dale_, Apr 02 2012 *)

%t Select[Prime[Range[5000]],MemberQ[{28},Mod[#,41]]&] (* _Vincenzo Librandi_, Aug 24 2012 *)

%o (Magma) [p: p in PrimesUpTo(17000) | p mod 41 eq 28 ]; // _Vincenzo Librandi_, Aug 24 2012

%o (PARI) is(n)=isprime(n) && n%41==28 \\ _Charles R Greathouse IV_, Jul 03 2016

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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