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A106900
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Primes of the form x^2+xy+12y^2, with x and y nonnegative.
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2
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83, 191, 197, 269, 439, 487, 523, 619, 823, 907, 947, 977, 1193, 1277, 1319, 1447, 1481, 1499, 1579, 1709, 1741, 1811, 1861, 1867, 2053, 2213, 2221, 2273, 2351, 2447, 2539, 2777, 2789, 2879, 2917, 2939, 2963, 3061, 3089, 3203, 3373, 3449
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OFFSET
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1,1
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COMMENTS
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Discriminant=-47.
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LINKS
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Vincenzo Librandi and Ray Chandler, Table of n, a(n) for n = 1..10000 [First 1000 terms from Vincenzo Librandi]
N. J. A. Sloane et al., Binary Quadratic Forms and OEIS (Index to related sequences, programs, references)
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MATHEMATICA
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QuadPrimes2[1, 1, 12, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A142443 A044415 A044796 * A142621 A142681 A066366
Adjacent sequences: A106897 A106898 A106899 * A106901 A106902 A106903
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KEYWORD
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nonn,easy
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AUTHOR
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T. D. Noe, May 09 2005
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STATUS
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approved
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