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A106920
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Primes of the form 3x^2-xy+5y^2, with x and y nonnegative.
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1
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3, 5, 7, 29, 41, 79, 107, 127, 137, 199, 239, 241, 251, 277, 311, 433, 491, 499, 577, 593, 599, 643, 647, 653, 661, 709, 757, 853, 877, 907, 971, 1039, 1051, 1069, 1087, 1091, 1097, 1259, 1301, 1307, 1319, 1423, 1451, 1543, 1579, 1583, 1597, 1609
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OFFSET
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1,1
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COMMENTS
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Discriminant=-59.
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LINKS
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MATHEMATICA
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QuadPrimes2[3, -1, 5, 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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