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A139891
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Primes of the form 7x^2+30y^2.
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1
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7, 37, 127, 277, 373, 463, 487, 613, 757, 823, 877, 967, 1087, 1093, 1117, 1213, 1303, 1327, 1423, 1453, 1597, 1663, 1933, 2053, 2143, 2293, 2437, 2503, 2557, 2647, 2767, 2797, 3343, 3607, 3613, 3637, 3733, 3823, 3847, 3943, 4327, 4447
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OFFSET
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1,1
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COMMENTS
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Discriminant=-840. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {7, 37, 127, 247, 253, 277, 373, 463, 487, 583, 613, 757, 823} (mod 840).
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MATHEMATICA
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QuadPrimes2[7, 0, 30, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(5000) | p mod 840 in {7, 37, 127, 247, 253, 277, 373, 463, 487, 583, 613, 757, 823}]; // Vincenzo Librandi, Jul 30 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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