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A139991
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Primes of the form 15x^2+56y^2.
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2
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71, 191, 239, 359, 431, 599, 911, 1031, 1439, 1871, 2039, 2111, 2591, 2711, 2879, 3119, 3719, 4271, 4391, 4799, 5231, 5279, 5399, 5471, 5639, 6311, 6791, 6911, 6959, 7079, 7151, 7919, 8831, 8999, 9311, 9431, 9479, 9839, 10151, 10271, 11159
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OFFSET
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1,1
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COMMENTS
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Discriminant=-3360. See A139827 for more information.
Also primes of the forms 39x^2+12xy+44y^2 and 36x^2+12xy+71y^2. See A140633. - T. D. Noe, May 19 2008
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LINKS
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FORMULA
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The primes are congruent to {71, 191, 239, 359, 431, 599} (mod 840).
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MATHEMATICA
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QuadPrimes2[15, 0, 56, 10000] (* see A106856 *)
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PROG
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(Magma) [p: p in PrimesUpTo(12000) | p mod 840 in [71, 191, 239, 359, 431, 599]]; // Vincenzo Librandi, Aug 03 2012
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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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