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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045636 Numbers of the form p^2+q^2, p, q primes. 8
8, 13, 18, 29, 34, 50, 53, 58, 74, 98, 125, 130, 146, 170, 173, 178, 194, 218, 242, 290, 293, 298, 314, 338, 365, 370, 386, 410, 458, 482, 530, 533, 538, 554, 578, 650, 698, 722, 818, 845, 850, 866, 890, 962, 965, 970, 986, 1010, 1058, 1082, 1130, 1202, 1250 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..10000

EXAMPLE

18 belongs to the sequence because it can be written as 3^2+3^2.

MATHEMATICA

q=13; imax=Prime[q]^2; Select[Union[Flatten[Table[Prime[x]^2+Prime[y]^2, {x, q}, {y, x}]]], #<=imax&] (* From Vladimir Joseph Stephan Orlovsky, Apr 20 2011 *)

CROSSREFS

Sequence in context: A187227 A006619 A023487 * A022954 A070130 A070131

Adjacent sequences:  A045633 A045634 A045635 * A045637 A045638 A045639

KEYWORD

nonn

AUTHOR

Felice Russo (frusso(AT)micron.com)

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 15 20:03 EST 2012. Contains 205852 sequences.