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A106880 Primes of the form x^2+xy+9y^2, with x and y nonnegative. +0
1
11, 29, 71, 109, 149, 151, 179, 191, 211, 239, 281, 331, 359, 379, 389, 401, 421, 449, 491, 499, 541, 571, 599, 631, 641, 659, 701, 739, 751, 809, 821, 911, 919, 991, 1009, 1019, 1031, 1051, 1129, 1171, 1201, 1229, 1289, 1381, 1409, 1429, 1439, 1451 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-35. See A106856 for more information.

MATHEMATICA

QuadPrimes[1, 1, 9, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A120946 A099909 A106881 this_sequence A135064 A053703 A099911

Adjacent sequences: A106877 A106878 A106879 this_sequence A106881 A106882 A106883

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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