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Search: id:A139848
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| A139848 |
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Primes of the form 7x^2+15y^2. |
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+0
1
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| 7, 43, 67, 127, 163, 463, 487, 547, 823, 883, 907, 967, 1087, 1303, 1327, 1423, 1663, 1723, 1747, 2083, 2143, 2347, 2503, 2647, 2683, 2767, 3067, 3187, 3343, 3607, 3823, 3847, 3907, 3943, 4027, 4243, 4327, 4363, 4447, 4603, 4663, 4783, 5023
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-420. See A139827 for more information.
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FORMULA
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The primes are congruent to {7, 43, 67, 127, 163, 247, 403} (mod 420).
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MATHEMATICA
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QuadPrimes[7, 0, 15, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A062337 A118703 A139832 this_sequence A052029 A142102 A031914
Adjacent sequences: A139845 A139846 A139847 this_sequence A139849 A139850 A139851
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe (noe(AT)sspectra.com), May 02 2008
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