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A106876
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Primes of the form 3x^2-2xy+3y^2, with x and y nonnegative.
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2
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3, 11, 43, 67, 83, 131, 139, 179, 227, 283, 307, 331, 379, 443, 467, 491, 523, 547, 563, 643, 683, 691, 739, 787, 811, 827, 859, 971, 1019, 1091, 1123, 1163, 1187, 1291, 1307, 1427, 1451, 1523, 1531, 1571, 1619, 1667, 1699, 1723, 1787, 1811
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OFFSET
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1,1
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COMMENTS
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Discriminant=-32.
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LINKS
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MATHEMATICA
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QuadPrimes2[3, -2, 3, 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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