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A106887 Primes of the form 2x^2-xy+5y^2, with x and y nonnegative. +0
1
2, 5, 11, 47, 71, 137, 149, 167, 239, 281, 317, 353, 383, 401, 449, 461, 509, 557, 593, 683, 761, 773, 827, 839, 941, 947, 977, 983, 1097, 1103, 1229, 1259, 1307, 1319, 1409, 1493, 1523, 1553, 1721, 1787, 1931, 1997, 2039, 2069, 2087, 2111, 2153 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-39. See A106856 for more information.

CROSSREFS

Sequence in context: A121981 A088148 A088149 this_sequence A089609 A087185 A127010

Adjacent sequences: A106884 A106885 A106886 this_sequence A106888 A106889 A106890

KEYWORD

nonn,easy

AUTHOR

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

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.


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