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A107170 Primes of the form 2x^2+31y^2. 1
2, 31, 103, 193, 281, 311, 479, 521, 617, 857, 937, 1063, 1423, 1489, 1657, 1831, 1847, 2543, 2591, 2609, 2671, 2711, 2729, 2753, 2903, 2953, 3023, 3089, 3167, 3319, 3559, 3697, 3761, 3769, 3823, 3863, 4079, 4111, 4201, 4561, 4639, 4903 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-248. See A107132 for more information.

MATHEMATICA

QuadPrimes[2, 0, 31, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A030459 A141978 A101254 * A042059 A134179 A188225

Adjacent sequences:  A107167 A107168 A107169 * A107171 A107172 A107173

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 13 2005

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.