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A107009 Primes of the form 5x^2+xy+5y^2, with x and y nonnegative. +0
2
5, 11, 53, 71, 89, 137, 191, 257, 311, 353, 389, 419, 443, 467, 521, 647, 683, 797, 863, 929, 977, 1013, 1049, 1103, 1109, 1181, 1301, 1367, 1373, 1499, 1511, 1637, 1721, 1901, 1907, 2003, 2099, 2237, 2267, 2333, 2381, 2423, 2447, 2531, 2663 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-99. See A106856 for more information.

CROSSREFS

Sequence in context: A073415 A089004 A094107 this_sequence A109546 A018545 A028349

Adjacent sequences: A107006 A107007 A107008 this_sequence A107010 A107011 A107012

KEYWORD

nonn,easy

AUTHOR

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

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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