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Search: id:A107148
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| A107148 |
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Primes of the form 2x^2+21y^2. |
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+0
3
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| 2, 23, 29, 53, 71, 149, 191, 197, 239, 263, 317, 359, 389, 431, 557, 599, 653, 701, 743, 821, 863, 911, 1031, 1061, 1103, 1229, 1367, 1373, 1439, 1493, 1583, 1607, 1709, 1733, 1871, 1877, 1901, 1997, 2039, 2069, 2087, 2111, 2207, 2213, 2237
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-168. See A107132 for more information.
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FORMULA
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The primes are congruent to {2, 23, 29, 53, 71, 95, 149} (mod 168). - T. D. Noe (noe(AT)sspectra.com), May 02 2008
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CROSSREFS
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Cf. A139827.
Sequence in context: A114549 A034843 A084373 this_sequence A062653 A045708 A090150
Adjacent sequences: A107145 A107146 A107147 this_sequence A107149 A107150 A107151
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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 13 2005
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