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A106909
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Primes of the form 4x^2-3xy+4y^2, with x and y nonnegative.
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1
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5, 31, 89, 179, 191, 331, 419, 421, 449, 599, 641, 859, 991, 1021, 1039, 1109, 1259, 1291, 1301, 1489, 1549, 1621, 1871, 2011, 2099, 2311, 2381, 2539, 2689, 2909, 3041, 3169, 3301, 3331, 3389, 3391, 3821, 3919, 3931, 4019, 4211, 4229, 4261
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OFFSET
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1,1
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COMMENTS
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Discriminant=-55.
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LINKS
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MATHEMATICA
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QuadPrimes2[4, -3, 4, 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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