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A106860
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Primes of the form 2x^2-xy+2y^2, with x and y nonnegative.
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1
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2, 3, 17, 47, 53, 113, 167, 197, 227, 233, 263, 317, 383, 443, 557, 563, 587, 593, 677, 683, 773, 827, 863, 887, 947, 977, 1013, 1097, 1103, 1163, 1187, 1193, 1217, 1367, 1373, 1433, 1583, 1607, 1613, 1667, 1697, 1733, 1823, 1847, 1907, 1973, 2063
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OFFSET
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1,1
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COMMENTS
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Discriminant=-15.
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LINKS
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MATHEMATICA
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QuadPrimes2[2, -1, 2, 1000000] (* 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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