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A107005
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Primes of the form 4x^2+4xy+7y^2, with x and y nonnegative.
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2
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7, 31, 79, 103, 127, 199, 223, 271, 367, 439, 463, 607, 631, 823, 919, 967, 991, 1087, 1231, 1279, 1303, 1327, 1423, 1447, 1543, 1567, 1663, 1831, 1879, 1951, 1999, 2143, 2239, 2311, 2383, 2503, 2551, 2719, 2791, 2887, 3079, 3271, 3319, 3391
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OFFSET
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1,1
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COMMENTS
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Discriminant=-96.
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LINKS
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MATHEMATICA
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QuadPrimes2[4, 4, 7, 10000] (* see A106856 *)
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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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