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A106902 Primes of the form 3x^2-3xy+5y^2, with x and y nonnegative. +0
1
3, 5, 11, 17, 23, 29, 41, 71, 107, 113, 131, 167, 173, 197, 227, 233, 269, 311, 317, 347, 401, 419, 431, 449, 479, 503, 521, 617, 641, 653, 677, 683, 719, 743, 809, 821, 827, 839, 857, 881, 887, 911, 929, 941, 947, 983, 1013, 1031, 1049, 1061, 1091 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-51. See A106856 for more information.

MATHEMATICA

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

CROSSREFS

Sequence in context: A032382 A136084 A045410 this_sequence A155938 A158318 A099596

Adjacent sequences: A106899 A106900 A106901 this_sequence A106903 A106904 A106905

KEYWORD

nonn,easy

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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