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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A107157 Primes of the form x^2+50y^2. 3
59, 131, 281, 491, 499, 571, 619, 641, 739, 809, 811, 881, 929, 1259, 1289, 1291, 1571, 1721, 1801, 1889, 1979, 2089, 2131, 2161, 2339, 2459, 2531, 2659, 2801, 2851, 3169, 3209, 3259, 3299, 3449, 3539, 3851, 3929, 3931, 4019, 4049, 4051 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Discriminant=-200. See A107132 for more information.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

QuadPrimes[1, 0, 50, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A237687 A098032 A139994 * A039537 A220463 A142171

Adjacent sequences:  A107154 A107155 A107156 * A107158 A107159 A107160

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 13 2005

STATUS

approved

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

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

Last modified April 24 13:10 EDT 2014. Contains 240983 sequences.