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A107000 Primes of the form 2x^2-xy+12y^2, with x and y nonnegative. +0
1
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 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-95. See A106856 for more information.

MATHEMATICA

QuadPrimes[2, -1, 12, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A030519 A141116 A077246 this_sequence A046891 A046893 A126036

Adjacent sequences: A106997 A106998 A106999 this_sequence A107001 A107002 A107003

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 09 2005

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Last modified November 24 19:42 EST 2009. Contains 167435 sequences.


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