%I #5 Mar 30 2012 18:35:34
%S 531441,1771561,47045881,85766121,594823321,887503681,3518743761,
%T 4750104241,12230590464,13841287201,17596287801,19770609664,
%U 42180533641,51520374361,107918163081,128100283921,177978515625
%N Sixth powers ending nontrivially in a nonzero sixth power.
%K nonn,base,easy
%O 1,1
%A _David W. Wilson_