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Primes congruent to 17 mod 56.
1

%I #10 Oct 01 2024 20:41:20

%S 17,73,241,353,409,521,577,857,1193,1249,1361,1697,1753,2089,2593,

%T 3041,3209,3433,3769,3881,4049,4217,4273,4441,4721,4889,5113,5281,

%U 5393,5449,5897,5953,6121,6569,6737,6793,6961,7129,7297,7577,8081,8641,8753,9257

%N Primes congruent to 17 mod 56.

%H Vincenzo Librandi, <a href="/A142648/b142648.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[1300]], MemberQ[{17}, Mod[#, 56]] &] (* _Vincenzo Librandi_, Sep 01 2012 *)

%o (Magma) [p: p in PrimesUpTo(10000) | p mod 56 eq 17 ]; // _Vincenzo Librandi_, Sep 01 2012

%Y Cf. A000040.

%K nonn,easy

%O 1,1

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