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Search: id:A140012
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| A140012 |
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Primes of the form 40x^2+40xy+43y^2. |
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+0
1
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| 43, 283, 307, 523, 547, 787, 1627, 1723, 1867, 1987, 2683, 3163, 3187, 3307, 3643, 3907, 4003, 4243, 4363, 4483, 4507, 5227, 5323, 5563, 5683, 5827, 6067, 6547, 6883, 6907, 7603, 7867, 7963, 8443, 8467, 8707, 8923, 9187, 9283, 9547, 9643
(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.
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FORMULA
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The primes are congruent to {43, 283, 307, 403, 523, 547, 667, 787, 1003, 1267} (mod 1320).
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MATHEMATICA
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QuadPrimes[40, -40, 43, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A107697 A142450 A142632 this_sequence A123795 A164783 A142502
Adjacent sequences: A140009 A140010 A140011 this_sequence A140013 A140014 A140015
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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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