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A106967
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Primes of the form 3x^2+xy+7y^2, with x and y any integer.
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2
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3, 7, 11, 17, 29, 31, 37, 59, 61, 109, 113, 127, 151, 167, 173, 191, 197, 241, 313, 317, 349, 353, 359, 373, 383, 409, 419, 431, 443, 463, 479, 499, 509, 523, 547, 563, 593, 617, 619, 673, 691, 727, 733, 757, 839, 853, 857, 859, 863, 881, 907, 911, 929, 941
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OFFSET
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1,1
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COMMENTS
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Discriminant=-83.
Primes p such that the polynomial x^3-2x^2-2x-1 is irreducible over Zp. The polynomial discriminant is also -83. - T. D. Noe, May 13 2005
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LINKS
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MATHEMATICA
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Union[QuadPrimes2[3, 1, 7, 10000], QuadPrimes2[3, -1, 7, 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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