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A106869 Primes of the form x^2+xy+6y^2, with x and y nonnegative. +0
2
59, 101, 167, 173, 223, 271, 307, 317, 347, 449, 463, 593, 599, 607, 691, 719, 809, 821, 877, 883, 991, 997, 1097, 1117, 1151, 1181, 1231, 1319, 1451, 1453, 1553, 1613, 1669, 1697, 1787, 1789, 1871, 1889, 1913, 2027, 2053, 2143, 2339, 2347 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-23. See A106856 for more information.

MATHEMATICA

QuadPrimes[1, 1, 6, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A142152 A112804 A134573 this_sequence A147092 A142298 A060259

Adjacent sequences: A106866 A106867 A106868 this_sequence A106870 A106871 A106872

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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