login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A107002 Primes of the form 5x^2+2xy+5y^2, with x and y nonnegative. 1
5, 29, 149, 197, 293, 461, 509, 557, 677, 773, 1013, 1109, 1181, 1373, 1637, 1877, 1901, 1973, 2213, 2237, 2309, 2621, 2861, 2909, 3221, 3461, 3581, 3677, 3917, 3989, 4013, 4133, 4157, 4253, 4349, 4397, 4517, 4733, 5189, 5381, 5813, 6029 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-96. See A106856 for more information.

MATHEMATICA

QuadPrimes[5, 2, 5, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A163082 A189430 A060963 * A027864 A198764 A065541

Adjacent sequences:  A106999 A107000 A107001 * A107003 A107004 A107005

KEYWORD

nonn,easy

AUTHOR

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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 04:26 EST 2012. Contains 205978 sequences.