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Search: id:A139839
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| A139839 |
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Primes of the form 2x^2+2xy+47y^2. |
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+0
2
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| 2, 47, 59, 71, 107, 131, 191, 227, 311, 359, 419, 431, 443, 467, 479, 503, 563, 599, 659, 683, 839, 887, 971, 1031, 1103, 1151, 1163, 1187, 1223, 1259, 1307, 1427, 1451, 1523, 1559, 1583, 1619, 1787, 1823, 1847, 1907, 1931, 2003, 2087, 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=-372. See A139827 for more information.
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FORMULA
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The primes are congruent to {2, 35, 47, 59, 71, 95, 107, 131, 143, 191, 227, 287, 299, 311, 335, 359} (mod 372).
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MATHEMATICA
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QuadPrimes[2, -2, 47, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A124690 A141579 A107205 this_sequence A118104 A107211 A069548
Adjacent sequences: A139836 A139837 A139838 this_sequence A139840 A139841 A139842
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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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