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A106938
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Primes of the form 2x^2-2xy+9y^2, with x and y nonnegative.
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2
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2, 13, 89, 101, 137, 229, 257, 373, 389, 421, 433, 457, 557, 577, 701, 757, 761, 769, 773, 953, 1021, 1033, 1069, 1109, 1181, 1249, 1277, 1301, 1373, 1429, 1481, 1549, 1613, 1657, 1789, 1801, 1889, 1913, 1973, 1993, 1997, 2333, 2389, 2393, 2549
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OFFSET
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1,1
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COMMENTS
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Discriminant=-68.
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LINKS
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MATHEMATICA
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QuadPrimes2[2, -2, 9, 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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