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A139996
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Primes of the form 28x^2+28xy+37y^2.
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2
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37, 277, 373, 613, 757, 877, 1093, 1117, 1213, 1453, 1597, 1933, 2053, 2293, 2437, 2557, 2797, 3613, 3637, 3733, 4813, 4957, 5077, 5413, 5653, 6133, 6637, 6997, 7333, 7477, 7933, 8317, 8677, 9013, 9157, 9277, 9613, 10333, 10357, 10453, 10837
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OFFSET
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1,1
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COMMENTS
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Discriminant=-3360. See A139827 for more information.
Also primes of the forms 37x^2+18xy+93y^2 and 37x^2+24xy+72y^2. See A140633. - T. D. Noe, May 19 2008
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LINKS
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FORMULA
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The primes are congruent to {37, 253, 277, 373, 613, 757} (mod 840).
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MATHEMATICA
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QuadPrimes2[28, -28, 37, 10000] (* see A106856 *)
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PROG
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(Magma) [p: p in PrimesUpTo(12000) | p mod 840 in [37, 253, 277, 373, 613, 757]]; // Vincenzo Librandi, Aug 03 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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