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Search: id:A139655
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| A139655 |
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Primes of the form x^2+280y^2. |
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+0
2
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| 281, 401, 449, 569, 641, 809, 1009, 1129, 1201, 1289, 1409, 1481, 1801, 2081, 2129, 2521, 2689, 2801, 2969, 3049, 3089, 3329, 3361, 3529, 3761, 3889, 3929, 4001, 4201, 4481, 4561, 4649, 4729, 5009, 5209, 5441, 5569, 5849, 5881, 6329, 6449
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1120. See A139643 for more information.
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FORMULA
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The primes are congruent to {1, 9, 81, 121, 169, 249} (mod 280).
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MATHEMATICA
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QuadPrimes[1, 0, 280, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A094895 A091034 A142444 this_sequence A161190 A098677 A056215
Adjacent sequences: A139652 A139653 A139654 this_sequence A139656 A139657 A139658
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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), Apr 29 2008
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