Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A106936
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A106936 Primes of the form 3x^2-2xy+6y^2, with x and y nonnegative. +0
1
3, 7, 23, 71, 79, 131, 139, 227, 283, 347, 379, 419, 479, 487, 499, 503, 571, 607, 619, 683, 691, 719, 743, 823, 827, 839, 947, 991, 1031, 1051, 1091, 1151, 1163, 1231, 1303, 1319, 1439, 1451, 1459, 1499, 1559, 1567, 1627, 1723, 1831, 2003, 2011 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-68. See A106856 for more information.

MATHEMATICA

QuadPrimes[3, -2, 6, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A148701 A029891 A151454 this_sequence A088704 A148702 A148703

Adjacent sequences: A106933 A106934 A106935 this_sequence A106937 A106938 A106939

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 10 12:37 EST 2009. Contains 170569 sequences.


AT&T Labs Research