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Search: id:A106908
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| A106908 |
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Primes of the form 4x^2+3xy+4y^2, with x and y any integer. |
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+0
1
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| 5, 11, 31, 89, 179, 181, 191, 331, 401, 419, 421, 449, 521, 599, 619, 641, 709, 719, 829, 859, 911, 971, 991, 1021, 1039, 1109, 1259, 1291, 1301, 1489, 1511, 1549, 1621, 1709, 1831, 1871, 1879, 2011, 2039, 2099, 2161, 2179, 2281, 2311, 2381
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-55. See A106856 for more information.
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MATHEMATICA
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Union[QuadPrimes[4, 3, 4, 10000], QuadPrimes[4, -3, 4, 10000]] (* see A106856 *)
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CROSSREFS
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Sequence in context: A077446 A023276 A074648 this_sequence A107442 A127864 A077917
Adjacent sequences: A106905 A106906 A106907 this_sequence A106909 A106910 A106911
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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 09 2005
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