OFFSET
1,1
EXAMPLE
a(1)=313 because 313^2=97969 and (9+7+9+6+9)/5=8.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Zak Seidov, Aug 26 2009
EXTENSIONS
More terms from David Radcliffe Aug 26 2009
a(16)-a(23) from Lars Blomberg, Apr 29 2013
STATUS
approved