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A106864
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Primes of the form 2x^2+2xy+3y^2 with x and y nonnegative.
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4
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2, 3, 7, 43, 47, 83, 103, 107, 163, 167, 223, 263, 283, 347, 367, 383, 443, 467, 487, 503, 523, 547, 607, 643, 683, 743, 787, 823, 827, 863, 883, 887, 947, 967, 983, 1063, 1087, 1123, 1223, 1303, 1307, 1367, 1423, 1427, 1447, 1483, 1487, 1523, 1583
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OFFSET
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1,1
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COMMENTS
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See A106865 for all primes represented by this form.
Discriminant=-20.
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REFERENCES
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David A. Cox, Primes of the Form x^2 + n y^2, Wiley, 1989. See Eq. (2.22), p. 33. - N. J. A. Sloane, Sep 04 2012
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LINKS
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MATHEMATICA
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QuadPrimes2[2, 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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