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Search: id:A139840
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| A139840 |
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Primes of the form 6x^2+6xy+17y^2. |
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+0
2
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| 17, 29, 53, 89, 137, 197, 269, 353, 389, 401, 449, 461, 509, 557, 569, 641, 677, 761, 773, 797, 809, 821, 881, 929, 941, 953, 1013, 1049, 1097, 1109, 1181, 1193, 1277, 1301, 1481, 1553, 1697, 1877, 1889, 1913, 1949, 1997, 2069, 2129, 2213, 2297
(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 {17, 29, 53, 65, 77, 89, 137, 161, 185, 197, 209, 269, 305, 353, 365} (mod 372).
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MATHEMATICA
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QuadPrimes[6, -6, 17, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A104228 A049484 A110573 this_sequence A090796 A089629 A007349
Adjacent sequences: A139837 A139838 A139839 this_sequence A139841 A139842 A139843
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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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