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A106935
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Primes of the form 3x^2+2xy+6y^2, with x and y any integer.
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1
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3, 7, 11, 23, 31, 71, 79, 107, 131, 139, 163, 167, 199, 211, 227, 283, 311, 347, 367, 379, 419, 431, 439, 479, 487, 499, 503, 547, 571, 607, 619, 643, 683, 691, 719, 743, 751, 787, 811, 823, 827, 839, 887, 907, 911, 947, 983, 991, 1031, 1051, 1091, 1151
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OFFSET
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1,1
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COMMENTS
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Discriminant=-68. See A106856 for more information.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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MATHEMATICA
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Union[QuadPrimes[3, 2, 6, 10000], QuadPrimes[3, -2, 6, 10000]] (* see A106856 *)
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CROSSREFS
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Sequence in context: A095102 A192614 A112715 * A116362 A090918 A139253
Adjacent sequences: A106932 A106933 A106934 * A106936 A106937 A106938
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe, May 09 2005
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STATUS
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approved
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