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A139666
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Primes of the form x^2+1320y^2.
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1
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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; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Discriminant=-5280. See A139643 for more information.
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FORMULA
| The primes are congruent to {1, 49, 169, 289, 361, 529, 841, 889, 961, 1081} (mod 1320).
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MATHEMATICA
| QuadPrimes[1, 0, 1320, 10000] (* see A106856 *)
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CROSSREFS
| Sequence in context: A013641 A092088 A068302 * A186469 A145754 A020403
Adjacent sequences: A139663 A139664 A139665 * A139667 A139668 A139669
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KEYWORD
| nonn,easy
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AUTHOR
| T. D. Noe (noe(AT)sspectra.com), Apr 29 2008
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