%I #4 Mar 30 2012 16:49:58
%S 63,69,71,78,83,90,99,120,143,201,243,344,1203,10200,1100011,
%T 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
%N a(n) = 99 written in base 16 - n.
%C The term 111....1111 should officially be called the "unary expansion", since in base 1 only the digit 0 may appear.
%K nonn,fini,full
%O 0,1
%A _N. J. A. Sloane_, Jun 04 2004
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