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A139650
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Primes of the form x^2+190y^2.
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3
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191, 199, 239, 271, 311, 359, 479, 631, 719, 761, 769, 809, 881, 919, 929, 1031, 1049, 1151, 1201, 1279, 1289, 1489, 1559, 1601, 1721, 1759, 1831, 1871, 1879, 1999, 2039, 2129, 2239, 2281, 2399, 2441, 2551, 2591, 2609, 2671, 2791, 2969
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OFFSET
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1,1
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COMMENTS
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Discriminant=-760. See A139643 for more information.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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FORMULA
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The primes are congruent to {1, 9, 39, 49, 81, 111, 119, 121, 159, 161, 169, 191, 199, 201, 239, 271, 289, 311, 321, 329, 351, 359, 391, 441, 479, 481, 511, 519, 529, 609, 631, 671, 681, 689, 719, 729} (mod 760).
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MATHEMATICA
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QuadPrimes[1, 0, 190, 10000] (* see A106856 *)
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PROG
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(MAGMA) [ p: p in PrimesUpTo(4000) | p mod 760 in {1, 9, 39, 49, 81, 111, 119, 121, 159, 161, 169, 191, 199, 201, 239, 271, 289, 311, 321, 329, 351, 359, 391, 441, 479, 481, 511, 519, 529, 609, 631, 671, 681, 689, 719, 729}]; // Vincenzo Librandi, Jul 28 2012
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CROSSREFS
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Sequence in context: A104642 A115016 A160784 * A139977 A141868 A059244
Adjacent sequences: A139647 A139648 A139649 * A139651 A139652 A139653
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe, Apr 29 2008
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STATUS
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approved
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