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Search: id:A106971
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A106971 Primes of the form 5x^2+4xy+5y^2, with x and y nonnegative. +0
2
5, 89, 101, 173, 461, 593, 773, 1013, 1049, 1193, 1277, 1301, 1601, 1697, 1889, 1973, 2309, 2393, 2441, 2621, 2729, 2957, 3617, 3701, 3797, 3881, 4157, 4289, 4409, 4457, 4721, 4793, 4973, 5081, 5333, 5381, 5897, 6053, 6221, 6317, 6473 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-84. See A106856 for more information.

CROSSREFS

Adjacent sequences: A106968 A106969 A106970 this_sequence A106972 A106973 A106974

Sequence in context: A073862 A069948 A054954 this_sequence A136618 A138700 A139937

KEYWORD

nonn,easy

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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