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A106973 Primes of the form 5x^2-4xy+5y^2, with x and y nonnegative. +0
1
5, 17, 41, 257, 269, 293, 353, 509, 521, 677, 761, 797, 857, 881, 929, 941, 1097, 1109, 1181, 1217, 1361, 1433, 1553, 1613, 1637, 1721, 1949, 2141, 2273, 2357, 2477, 2609, 2693, 2777, 2789, 2861, 2897, 3041, 3209, 3449, 3461, 3533, 3821 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-84. See A106856 for more information.

CROSSREFS

Sequence in context: A130739 A147412 A111268 this_sequence A102264 A122035 A052350

Adjacent sequences: A106970 A106971 A106972 this_sequence A106974 A106975 A106976

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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