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A139899
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Primes of the form 5x^2+48y^2.
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2
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5, 53, 173, 197, 293, 317, 557, 653, 677, 773, 797, 1013, 1277, 1373, 1493, 1613, 1637, 1733, 1877, 1973, 1997, 2213, 2237, 2333, 2357, 2477, 2693, 2837, 2957, 3413, 3533, 3557, 3677, 3797, 3917, 4013, 4133, 4157, 4253, 4373, 4397, 4493
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OFFSET
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1,1
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COMMENTS
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Discriminant=-960. See A139827 for more information.
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LINKS
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FORMULA
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Except for 5, the primes are congruent to {53, 77} (mod 120).
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MATHEMATICA
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QuadPrimes2[5, 0, 48, 10000] (* see A106856 *)
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PROG
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(Magma) [5] cat [ p: p in PrimesUpTo(6000) | p mod 120 in [53, 77]]; // Vincenzo Librandi, Jul 31 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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