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Search: id:A139509
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| A139509 |
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Primes of the form x^2+29x*y+y^2. |
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+0
2
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| 31, 97, 211, 373, 547, 607, 661, 769, 877, 1051, 1087, 1123, 1249, 1279, 1303, 1423, 1597, 1657, 1663, 1693, 1741, 1777, 1861, 1867, 2143, 2179, 2251, 2341, 2467, 2539, 2791, 2857, 3229, 3259, 3319, 3331, 3373, 3511, 3541, 3643, 3697, 3769, 3823, 3877
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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a = {}; w = 29; k = 1; Do[Do[If[PrimeQ[n^2 + w*n*m + k*m^2], AppendTo[a, n^2 + w*n*m + k*m^2]], {n, m, 400}], {m, 1, 400}]; Union[a] (*Artur Jasinski*)
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CROSSREFS
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Cf. A139489, A007645, A068228, A007519, A033212, A033212, A107152, A107008, A033215, A107145, A139490, A139491.
Adjacent sequences: A139506 A139507 A139508 this_sequence A139510 A139511 A139512
Sequence in context: A044218 A044599 A081275 this_sequence A039463 A075936 A103069
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KEYWORD
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nonn,new
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Apr 24 2008
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