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Search: id:A106976
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| A106976 |
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Primes of the form 4x^2+3xy+6y^2, with x and y any integer. |
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+0
1
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| 7, 13, 67, 109, 139, 181, 199, 223, 241, 277, 313, 439, 457, 463, 499, 523, 547, 613, 631, 643, 661, 673, 691, 811, 919, 937, 991, 1009, 1021, 1051, 1069, 1093, 1153, 1213, 1231, 1321, 1327, 1399, 1483, 1543, 1579, 1657, 1669, 1741, 1747, 1789
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-87. See A106856 for more information.
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MATHEMATICA
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Union[QuadPrimes[4, 3, 6, 10000], QuadPrimes[4, -3, 6, 10000]] (* see A106856 *)
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CROSSREFS
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Sequence in context: A133664 A143794 A159198 this_sequence A098478 A061521 A073220
Adjacent sequences: A106973 A106974 A106975 this_sequence A106977 A106978 A106979
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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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