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A106998 Primes of the form 2x^2+xy+12y^2, with x and y nonnegative. 1
2, 67, 113, 173, 227, 307, 383, 433, 607, 673, 887, 907, 983, 1093, 1117, 1427, 1433, 1627, 1723, 1877, 1933, 2143, 2237, 2377, 2383, 2447, 2473, 2663, 2903, 2957, 3533, 3593, 4027, 4513, 4597, 4703, 4783, 4817, 4933, 5087, 5233, 5347, 5623 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-95. See A106856 for more information.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

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

CROSSREFS

Sequence in context: A139861 A065721 A030472 * A217599 A107214 A174602

Adjacent sequences:  A106995 A106996 A106997 * A106999 A107000 A107001

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 09 2005

STATUS

approved

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Last modified April 19 21:10 EDT 2014. Contains 240777 sequences.