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Search: id:A139865
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| A139865 |
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Primes of the form 7x^2+19y^2. |
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+0
1
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| 7, 19, 47, 83, 131, 139, 199, 251, 271, 283, 311, 367, 419, 467, 479, 503, 587, 619, 643, 647, 691, 719, 727, 859, 1151, 1223, 1259, 1279, 1483, 1487, 1531, 1543, 1559, 1567, 1783, 1811, 1847, 1867, 1879, 1907, 1987, 2063, 2099, 2239, 2243, 2267
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-532. See A139827 for more information.
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FORMULA
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The primes are congruent to {7, 19, 47, 55, 83, 87, 111, 115, 131, 139, 159, 187, 195, 199, 215, 251, 271, 283, 311, 327, 339, 367, 391, 419, 423, 467, 479, 495, 503} (mod 532).
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CROSSREFS
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Sequence in context: A124700 A113927 A143128 this_sequence A146403 A000491 A097039
Adjacent sequences: A139862 A139863 A139864 this_sequence A139866 A139867 A139868
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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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