Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A106909
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A106909 Primes of the form 4x^2-3xy+4y^2, with x and y nonnegative. +0
1
5, 31, 89, 179, 191, 331, 419, 421, 449, 599, 641, 859, 991, 1021, 1039, 1109, 1259, 1291, 1301, 1489, 1549, 1621, 1871, 2011, 2099, 2311, 2381, 2539, 2689, 2909, 3041, 3169, 3301, 3331, 3389, 3391, 3821, 3919, 3931, 4019, 4211, 4229, 4261 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-55. See A106856 for more information.

CROSSREFS

Sequence in context: A139862 A102732 A138657 this_sequence A115519 A024399 A099083

Adjacent sequences: A106906 A106907 A106908 this_sequence A106910 A106911 A106912

KEYWORD

nonn,easy

AUTHOR

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

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

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


AT&T Labs Research