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A106892 Primes of the form 3x^2+2xy+4y^2, with x and y nonnegative. +0
2
3, 23, 37, 89, 113, 157, 179, 191, 317, 331, 379, 389, 433, 487, 509, 577, 643, 709, 751, 823, 859, 881, 971, 983, 1153, 1171, 1193, 1259, 1277, 1279, 1301, 1373, 1423, 1489, 1607, 1637, 1709, 1741, 1747, 1879, 2027, 2029, 2143, 2179, 2203, 2269 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-44. See A106856 for more information.

MATHEMATICA

QuadPrimes[3, 2, 4, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A133213 A138465 A006598 this_sequence A116893 A106066 A167216

Adjacent sequences: A106889 A106890 A106891 this_sequence A106893 A106894 A106895

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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