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A106980 Primes of the form 2x^2+xy+11y^2, with x and y nonnegative. +0
1
2, 11, 47, 89, 113, 251, 293, 311, 443, 599, 653, 659, 677, 809, 911, 1013, 1091, 1163, 1181, 1187, 1361, 1409, 1607, 1871, 1877, 2243, 2351, 2357, 2477, 2549, 2579, 2711, 2741, 2969, 3089, 3221, 3251, 3323, 3461, 3581, 3671, 4013, 4019 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-87. See A106856 for more information.

MATHEMATICA

QuadPrimes[2, 1, 11, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A042927 A140305 A142346 this_sequence A089682 A050929 A019005

Adjacent sequences: A106977 A106978 A106979 this_sequence A106981 A106982 A106983

KEYWORD

nonn,easy

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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