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Search: id:A106890
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A106890 Primes of the form x^2+xy+11y^2, with x and y nonnegative. +0
2
11, 13, 17, 23, 31, 41, 47, 53, 59, 67, 79, 83, 101, 103, 107, 109, 127, 139, 167, 181, 193, 197, 229, 239, 251, 281, 283, 293, 307, 311, 317, 337, 353, 359, 367, 379, 397, 401, 431, 439, 443, 461, 479, 487, 509, 541, 547, 557, 563, 569, 599, 613, 617, 619 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-43. See A106856 for more information.

CROSSREFS

Sequence in context: A137669 A078861 A106891 this_sequence A048058 A048059 A106076

Adjacent sequences: A106887 A106888 A106889 this_sequence A106891 A106892 A106893

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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