%I #3 Mar 30 2012 16:49:57
%S 21,23,25,27,31,34,41,100,121,221,11001,1111111111111111111111111
%N a(n) = 25 written in base 12 - n.
%K nonn,fini,full
%O 0,1
%A _N. J. A. Sloane_, Jun 04 2004
