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A107012 Primes of the form x^2+xy+25y^2, with x and y nonnegative. +0
1
31, 37, 67, 97, 103, 157, 163, 181, 199, 229, 313, 331, 367, 379, 421, 433, 463, 487, 499, 577, 631, 643, 661, 691, 709, 727, 751, 757, 823, 829, 859, 883, 907, 991, 1021, 1039, 1087, 1093, 1123, 1153, 1171, 1237, 1279, 1291, 1303, 1321, 1423, 1453 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-99. See A106856 for more information.

MATHEMATICA

QuadPrimes[1, 1, 25, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A082957 A067826 A107013 this_sequence A102906 A062213 A097759

Adjacent sequences: A107009 A107010 A107011 this_sequence A107013 A107014 A107015

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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