%I #5 Mar 30 2012 16:49:57
%S 1111111111111111111111111,11001,221,121,100,41,34,31,27,25,23,21
%N a(n) = 25 written in base n.
%C The next term contains a non-decimal digit.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jun 04 2004