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A106918 Primes of the form 3x^2+xy+5y^2, with x and y nonnegative. +0
2
3, 5, 19, 53, 167, 181, 193, 257, 263, 271, 281, 293, 307, 331, 359, 379, 449, 487, 523, 557, 607, 617, 619, 761, 829, 883, 911, 947, 997, 1031, 1049, 1187, 1231, 1303, 1433, 1487, 1523, 1549, 1553, 1667, 1669, 1759, 1811, 1889, 1933, 1973, 1993 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-59. See A106856 for more information.

MATHEMATICA

QuadPrimes[3, 1, 5, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A148546 A148547 A127998 this_sequence A055452 A077458 A062577

Adjacent sequences: A106915 A106916 A106917 this_sequence A106919 A106920 A106921

KEYWORD

nonn,easy

AUTHOR

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

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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