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A107011 Primes of the form 5x^2-xy+5y^2, with x and y nonnegative. 1
5, 23, 47, 59, 113, 179, 251, 269, 317, 383, 401, 449, 509, 587, 599, 617, 641, 653, 719, 773, 839, 881, 911, 947, 971, 983, 1061, 1193, 1259, 1277, 1307, 1409, 1433, 1439, 1523, 1571, 1607, 1697, 1709, 1787, 1871, 1973, 2027, 2039, 2069, 2297 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-99. See A106856 for more information.

LINKS

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

MATHEMATICA

QuadPrimes[5, -1, 5, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A146467 A053518 A154625 * A031387 A057622 A055626

Adjacent sequences:  A107008 A107009 A107010 * A107012 A107013 A107014

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 09 2005

STATUS

approved

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Last modified May 24 10:31 EDT 2013. Contains 225619 sequences.