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A107211 Primes of the form 2x^2+47y^2. 2
2, 47, 79, 97, 431, 439, 521, 761, 769, 929, 1193, 1223, 1297, 1303, 1399, 1481, 1567, 1753, 1823, 1847, 2143, 2311, 2503, 2591, 2633, 2753, 2857, 3089, 3271, 3361, 3623, 3761, 3767, 3919, 4007, 4049, 4217, 4481, 4703, 5407, 5503, 5689 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-376. See A107132 for more information.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

QuadPrimes[2, 0, 47, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A107205 A139839 A118104 * A069548 A065044 A142313

Adjacent sequences:  A107208 A107209 A107210 * A107212 A107213 A107214

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 13 2005

STATUS

approved

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Last modified May 23 05:24 EDT 2013. Contains 225585 sequences.