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%I #3 Mar 30 2012 16:49:57
%S 30,33,36,39,43,47,54,103,124,213,1110,100111,
%T 111111111111111111111111111111111111111
%N a(n) = 39 written in base 13 - n.
%K nonn,fini,full
%O 0,1
%A _N. J. A. Sloane_, Jun 04 2004