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Search: id:A139871
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| A139871 |
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Primes of the form 10x^2+10xy+19y^2. |
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+0
1
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| 19, 79, 139, 151, 211, 271, 439, 571, 739, 811, 919, 1051, 1231, 1399, 1459, 1471, 1531, 1579, 1759, 1999, 2131, 2239, 2251, 2371, 2551, 2659, 2719, 2791, 2851, 3079, 3319, 3511, 3559, 3571, 3691, 3739, 4099, 4111, 4219, 4231, 4639, 4759
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-660. See A139827 for more information.
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FORMULA
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The primes are congruent to {19, 79, 139, 151, 211, 259, 271, 391, 439, 571} (mod 660).
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MATHEMATICA
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QuadPrimes[10, -10, 19, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A041700 A132234 A074822 this_sequence A142789 A158491 A139941
Adjacent sequences: A139868 A139869 A139870 this_sequence A139872 A139873 A139874
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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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