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A140506
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Primes congruent to 11 or 19 mod 30.
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1
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11, 19, 41, 71, 79, 101, 109, 131, 139, 191, 199, 229, 251, 281, 311, 349, 379, 401, 409, 431, 439, 461, 491, 499, 521, 619, 641, 701, 709, 739, 761, 769, 821, 829, 859, 881, 911, 919, 941, 971, 1009, 1031, 1039, 1061, 1069, 1091, 1129, 1151, 1181, 1249, 1279
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Prime[Range[250]], Mod[#, 30]==19||Mod[#, 30]==11&] (* Harvey P. Dale, Dec. 28, 2010 *)
Select[Prime[Range[210]], MemberQ[{11, 19}, Mod[#, 30]]&] (* Vincenzo Librandi, Aug 15 2012 *)
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PROG
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(Magma) [p: p in PrimesUpTo(3000)|p mod 30 in {11, 19}]; // Vincenzo Librandi, Dec 18 2010
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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