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A139942
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Primes of the form 2x^2+2xy+179y^2.
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2
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2, 179, 191, 239, 263, 359, 443, 491, 599, 659, 863, 1019, 1103, 1283, 1583, 1607, 1619, 1667, 1787, 1871, 2027, 2039, 2087, 2423, 2447, 2531, 2699, 2711, 2843, 3011, 3119, 3299, 3347, 3467, 3623, 3719, 3851, 4127, 4139, 4271, 4463, 4523
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OFFSET
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1,1
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COMMENTS
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Discriminant=-1428. See A139827 for more information.
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LINKS
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FORMULA
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The primes are congruent to {2, 155, 179, 191, 239, 263, 359, 407, 443, 491, 599, 611, 659, 695, 767, 851, 863, 995, 1019, 1079, 1103, 1199, 1271, 1283, 1415} (mod 1428).
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MATHEMATICA
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QuadPrimes2[2, -2, 179, 10000] (* see A106856 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(6000) | p mod 1428 in [2, 155, 179, 191, 239, 263, 359, 407, 443, 491, 599, 611, 659, 695, 767, 851, 863, 995, 1019, 1079, 1103, 1199, 1271, 1283, 1415]]; // Vincenzo Librandi, Aug 02 2012
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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