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A139828
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Primes of the form 6x^2+6xy+7y^2.
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1
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7, 19, 43, 79, 127, 139, 151, 211, 271, 283, 307, 439, 523, 547, 571, 607, 739, 787, 811, 919, 967, 1051, 1063, 1231, 1327, 1399, 1447, 1459, 1471, 1531, 1579, 1627, 1663, 1723, 1759, 1867, 1987, 1999, 2131, 2239, 2251, 2287, 2371, 2383, 2503
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OFFSET
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1,1
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COMMENTS
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Discriminant=-132. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {7, 19, 43, 79, 127} (mod 132).
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MATHEMATICA
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QuadPrimes2[6, -6, 7, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(3000) | p mod 132 in {7, 19, 43, 79, 127}]; // Vincenzo Librandi, Jul 29 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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EXTENSIONS
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STATUS
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approved
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