Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A106875
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A106875 Primes of the form 3x^2+2xy+3y^2, with x and y nonnegative. +0
2
3, 19, 59, 107, 163, 211, 251, 347, 419, 499, 571, 587, 619, 659, 883, 907, 947, 1051, 1171, 1259, 1283, 1459, 1483, 1499, 1579, 1627, 1747, 1907, 1931, 1987, 2003, 2083, 2179, 2203, 2347, 2411, 2459, 2467, 2531, 2539, 2707, 2803, 2819, 2963 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-32. See A106856 for more information.

MATHEMATICA

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

CROSSREFS

Sequence in context: A088798 A027272 A164132 this_sequence A041015 A114250 A071245

Adjacent sequences: A106872 A106873 A106874 this_sequence A106876 A106877 A106878

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 15:11 EST 2009. Contains 170347 sequences.


AT&T Labs Research