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A107000
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Primes of the form 2x^2-xy+12y^2, with x and y nonnegative.
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1
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2, 13, 103, 107, 317, 337, 487, 773, 977, 1097, 1193, 1237, 1283, 1447, 1523, 1663, 1823, 1997, 2017, 2293, 2393, 2503, 2687, 2693, 2713, 2777, 2843, 2953, 3023, 3067, 3137, 3347, 3413, 3433, 3457, 3517, 3547, 3677, 3947, 4157, 4283, 4297
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OFFSET
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1,1
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COMMENTS
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Discriminant=-95.
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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[2, -1, 12, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A301355 A077246 A266906 * A046891 A046893 A126036
Adjacent sequences: A106997 A106998 A106999 * A107001 A107002 A107003
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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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