# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a142493 Showing 1-1 of 1 %I A142493 #11 Sep 08 2022 08:45:36 %S A142493 79,181,283,487,691,997,1201,1303,1609,2017,2221,2731,2833,3037,3343, %T A142493 3547,3853,4057,4159,4261,4363,4567,5077,5179,5281,5689,5791,6199, %U A142493 6301,6607,6709,7219,7321,7933,8443,8647,9157,9463,9769,9871,9973,10177,10687,10789 %N A142493 Primes congruent to 28 mod 51. %H A142493 Vincenzo Librandi, Table of n, a(n) for n = 1..1000 %F A142493 a(n) ~ 32n log n. - _Charles R Greathouse IV_, Jul 03 2016 %t A142493 Select[Prime[Range[2400]], MemberQ[{28}, Mod[#, 51]] &] (* _Vincenzo Librandi_, Aug 28 2012 *) %t A142493 Select[Range[28,11000,51],PrimeQ] (* _Harvey P. Dale_, Oct 07 2019 *) %o A142493 (Magma) [p: p in PrimesUpTo(13000) | p mod 51 eq 28]; // _Vincenzo Librandi_, Aug 28 2012 %o A142493 (PARI) is(n)=isprime(n) && n%51==28 \\ _Charles R Greathouse IV_, Jul 03 2016 %Y A142493 Cf. A000040. %K A142493 nonn,easy %O A142493 1,1 %A A142493 _N. J. A. Sloane_, Jul 11 2008 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE