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Primes congruent to 4 mod 63.
1

%I #7 Sep 08 2022 08:45:37

%S 67,193,571,823,1201,1327,1453,1579,1831,2083,2713,3217,3343,3469,

%T 3847,4099,4603,4729,5107,5233,5737,6367,6619,6871,6997,7753,7879,

%U 8761,8887,9013,9391,9643,9769,10273,10399,10651,10903,12037,12163,12289,12541,12919

%N Primes congruent to 4 mod 63.

%H Vincenzo Librandi, <a href="/A142891/b142891.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[1900]], MemberQ[{4}, Mod[#, 63]] &] (* _Vincenzo Librandi_, Sep 06 2012 *)

%o (Magma) [p: p in PrimesUpTo(13000) | p mod 63 eq 4 ] ; // _Vincenzo Librandi_, Sep 06 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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