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A139937
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Primes of the form 5x^2+69y^2.
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1
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5, 89, 149, 281, 389, 401, 521, 569, 641, 701, 881, 941, 1049, 1109, 1229, 1601, 1709, 1721, 1901, 1949, 2069, 2081, 2549, 2609, 2621, 2729, 2909, 3041, 3089, 3329, 3449, 3461, 3701, 3881, 3929, 3989, 4001, 4229, 4289, 4421, 4481, 5021
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OFFSET
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1,1
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COMMENTS
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Discriminant=-1380. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {5, 89, 149, 221, 281, 329, 341, 389, 401, 521, 569, 641, 689, 701, 881, 941, 1049, 1109, 1121, 1169, 1229, 1241, 1349} (mod 1380).
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MATHEMATICA
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QuadPrimes2[5, 0, 69, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(6000) | p mod 1380 in [5, 89, 149, 221, 281, 329, 341, 389, 401, 521, 569, 641, 689, 701, 881, 941, 1049, 1109, 1121, 1169, 1229, 1241, 1349]]; // Vincenzo Librandi, Aug 02 2012
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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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STATUS
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approved
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