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Search: id:A139666
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| A139666 |
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Primes of the form x^2+1320y^2. |
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+0
2
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| 1321, 1489, 1609, 2161, 2281, 2689, 3001, 3169, 3529, 4129, 4801, 5281, 5449, 5569, 5641, 6121, 6361, 6961, 7129, 7489, 7561, 7681, 8089, 8209, 8761, 9001, 9241, 9601, 9769, 10321, 10729, 12049, 12241, 12409, 12721, 12841, 13249, 13729
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Discriminant=-5280. See A139643 for more information.
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FORMULA
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The primes are congruent to {1, 49, 169, 289, 361, 529, 841, 889, 961, 1081} (mod 1320).
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CROSSREFS
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Adjacent sequences: A139663 A139664 A139665 this_sequence A139667 A139668 A139669
Sequence in context: A013641 A092088 A068302 this_sequence A020403 A015162 A075037
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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), Apr 29 2008
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