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A139914
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Primes of the form 4x^2+4xy+71y^2.
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2
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71, 79, 151, 191, 239, 359, 431, 599, 631, 751, 911, 919, 991, 1031, 1439, 1471, 1759, 1831, 1871, 1999, 2039, 2111, 2311, 2591, 2671, 2711, 2879, 3119, 3271, 3319, 3511, 3719, 4111, 4159, 4271, 4391, 4519, 4799, 4831, 4951, 4999, 5119
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OFFSET
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1,1
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COMMENTS
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Discriminant=-1120. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {39, 71, 79, 151, 191, 239} (mod 280).
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MATHEMATICA
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QuadPrimes2[4, -4, 71, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(6000) | p mod 280 in [39, 71, 79, 151, 191, 239]]; // Vincenzo Librandi, Aug 01 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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