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!)
A033230 Primes of form x^2+43*y^2. 3
43, 47, 59, 79, 107, 173, 181, 197, 239, 293, 367, 397, 443, 461, 487, 613, 619, 643, 701, 719, 769, 787, 797, 809, 827, 857, 977, 1013, 1049, 1063, 1091, 1129, 1171, 1217, 1399, 1487, 1543, 1549, 1559, 1597 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

David A. Cox, "Primes of the Form x^2 + n y^2", Wiley, 1989.

LINKS

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

MATHEMATICA

QuadPrimes[1, 0, 43, 10000] (* see A106856 *)

CROSSREFS

Sequence in context: A140755 A095479 A156783 * A180519 A118485 A165444

Adjacent sequences:  A033227 A033228 A033229 * A033231 A033232 A033233

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

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 19 21:10 EDT 2014. Contains 240777 sequences.