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Search: id:A140013
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| A140013 |
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Primes of the form 41x^2+38xy+41y^2. |
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+0
3
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| 41, 281, 569, 761, 809, 1289, 1361, 1481, 1601, 1889, 2081, 2129, 2441, 2609, 2801, 2969, 3209, 3329, 3449, 3761, 3929, 4001, 4241, 4289, 4649, 4721, 5081, 5441, 5849, 6089, 6569, 6761, 8081, 8609, 8681, 9041, 9209, 9281, 9521, 9929, 10529
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-5280. See A139827 for more information.
Also primes of the forms 41x^2+6xy+129y^2 and 41x^2+10xy+65y^2. See A140633. - T. D. Noe (noe(AT)sspectra.com), May 19 2008
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FORMULA
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The primes are congruent to {41, 161, 281, 329, 569, 689, 761, 809, 1121, 1289} (mod 1320).
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CROSSREFS
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Sequence in context: A142690 A089318 A142768 this_sequence A074281 A090833 A002646
Adjacent sequences: A140010 A140011 A140012 this_sequence A140014 A140015 A140016
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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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