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Search: id:A139931
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| A139931 |
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Primes of the form 6x^2+55y^2. |
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+0
1
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| 61, 79, 109, 151, 271, 349, 439, 541, 919, 1069, 1231, 1381, 1399, 1429, 1471, 1669, 1759, 1789, 1861, 1999, 2221, 2239, 2389, 2551, 2719, 2749, 2791, 3079, 3109, 3181, 3229, 3319, 3511, 3541, 3559, 3709, 4021, 4111, 4231, 4549, 4639, 4759
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-1320. See A139827 for more information.
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FORMULA
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The primes are congruent to {61, 79, 109, 151, 271, 349, 391, 439, 469, 541, 589, 679, 799, 871, 901, 919, 1069, 1141, 1231, 1261} (mod 1320).
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CROSSREFS
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Sequence in context: A141457 A112998 A118162 this_sequence A103812 A047272 A123207
Adjacent sequences: A139928 A139929 A139930 this_sequence A139932 A139933 A139934
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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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