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%I #3 Mar 30 2012 16:49:57
%S 43,47,51,56,63,102,123,201,303,1220,110011,
%T 111111111111111111111111111111111111111111111111111
%N a(n) = 51 written in base 12 - n.
%K nonn,fini,full
%O 0,1
%A _N. J. A. Sloane_, Jun 04 2004