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Search: id:A139909
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| A139909 |
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Primes of the form 6x^2+6xy+47y^2. |
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+0
1
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| 47, 59, 83, 167, 227, 383, 479, 587, 839, 983, 1151, 1259, 1307, 1319, 1487, 1571, 1931, 2099, 2243, 2267, 2351, 2399, 2411, 2579, 2663, 2819, 3023, 3083, 3167, 3191, 3323, 3359, 3491, 3659, 3671, 3863, 3911, 3947, 4259, 4283, 4451, 4583
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1092. See A139827 for more information.
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FORMULA
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The primes are congruent to {47, 59, 83, 167, 215, 227, 383, 395, 479, 551, 587, 635, 671, 839, 899, 983, 1007, 1055} (mod 1092).
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MATHEMATICA
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QuadPrimes[6, -6, 47, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A061758 A046503 A102274 this_sequence A126980 A039355 A043178
Adjacent sequences: A139906 A139907 A139908 this_sequence A139910 A139911 A139912
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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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