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Search: id:A139952
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| A139952 |
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Primes of the form 10x^2+10xy+41y^2. |
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+0
1
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| 41, 61, 101, 241, 349, 409, 461, 601, 761, 769, 941, 1069, 1249, 1361, 1601, 1669, 1861, 1889, 1949, 2089, 2141, 2309, 2441, 2609, 2749, 2789, 3121, 3181, 3209, 3449, 3461, 3541, 3709, 3769, 3989, 4021, 4241, 4289, 4441, 4549, 4721, 4861
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1540. See A139827 for more information.
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FORMULA
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The primes are congruent to {41, 61, 101, 129, 241, 321, 349, 369, 381, 409, 461, 481, 549, 601, 629, 689, 761, 769, 789, 901, 909, 941, 1041, 1069, 1161, 1209, 1249, 1349, 1361, 1469} (mod 1540).
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CROSSREFS
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Adjacent sequences: A139949 A139950 A139951 this_sequence A139953 A139954 A139955
Sequence in context: A126242 A110411 A141881 this_sequence A089345 A055110 A039524
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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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