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A139987
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Primes of the form 7x^2+120y^2.
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1
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7, 127, 463, 487, 823, 967, 1087, 1303, 1327, 1423, 1663, 2143, 2503, 2647, 2767, 3343, 3607, 3823, 3847, 3943, 4327, 4447, 4663, 4783, 5023, 5167, 5503, 5527, 5623, 6007, 6343, 6367, 6703, 6967, 7207, 7687, 8527, 8647, 8863, 8887, 10567
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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.
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LINKS
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FORMULA
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Except for 7, the primes are congruent to {127, 247, 463, 487, 583, 823} (mod 840).
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MATHEMATICA
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QuadPrimes2[7, 0, 120, 10000] (* see A106856 *)
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PROG
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(Magma) [7] cat [p: p in PrimesUpTo(11000) | p mod 840 in [127, 247, 463, 487, 583, 823]]; // 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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