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A106997 Primes of the form 3x^2-xy+8y^2, with x and y nonnegative. +0
1
3, 53, 97, 127, 257, 373, 547, 677, 683, 743, 787, 797, 877, 953, 1367, 1553, 1667, 1693, 1777, 1913, 2027, 2083, 2207, 2347, 2803, 2833, 2887, 3167, 3343, 3373, 3637, 3727, 3803, 3833, 3853, 3907, 3917, 4093, 4217, 4327, 4373, 4517, 4733 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-95. See A106856 for more information.

MATHEMATICA

QuadPrimes[3, -1, 8, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A136723 A143387 A082484 this_sequence A141929 A036941 A113612

Adjacent sequences: A106994 A106995 A106996 this_sequence A106998 A106999 A107000

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.


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