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A106989 Primes of the form x^2-xy+23y^2, with x and y nonnegative. +0
2
23, 29, 43, 53, 79, 107, 113, 127, 179, 191, 211, 233, 263, 277, 337, 347, 373, 389, 443, 491, 547, 569, 571, 599, 641, 653, 659, 673, 701, 751, 757, 809, 823, 883, 907, 911, 919, 953, 991, 1031, 1093, 1117, 1171, 1187, 1213, 1283, 1297, 1303, 1327 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-91. See A106856 for more information.

CROSSREFS

Sequence in context: A007637 A085448 A095077 this_sequence A106988 A127834 A108111

Adjacent sequences: A106986 A106987 A106988 this_sequence A106990 A106991 A106992

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.


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