OFFSET
1,1
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..1000
EXAMPLE
225 = 15^2 is a square and becomes the square 1225 = 35^2 if a 1 is attached in front.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Claudio Meller, Oct 27 2009
EXTENSIONS
Comment turned into example by R. J. Mathar, Oct 28 2009
More terms from Chai Wah Wu, Sep 11 2014
STATUS
approved