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A106864 Primes of the form 2x^2+2xy+3y^2, with x and y nonnegative. 1
2, 3, 7, 43, 47, 83, 103, 107, 163, 167, 223, 263, 283, 347, 367, 383, 443, 467, 487, 503, 523, 547, 607, 643, 683, 743, 787, 823, 827, 863, 883, 887, 947, 967, 983, 1063, 1087, 1123, 1223, 1303, 1307, 1367, 1423, 1427, 1447, 1483, 1487, 1523, 1583 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-20. See A106856 for more information.

MATHEMATICA

QuadPrimes[2, 2, 3, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A000945 A126263 A030087 * A085682 A083369 A000946

Adjacent sequences:  A106861 A106862 A106863 * A106865 A106866 A106867

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 15 10:28 EST 2012. Contains 205763 sequences.