%I A118109
%S A118109 1,1,1,1,1,0,0,0,1,1,1,1,0,1,1,1,1,0,0,0,1,0,0,0,1,1,1,1,0,1,1,1,0,1,1,
%T A118109 1,1,0,0,0,1,0,0,0,1,0,0,0,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,0,1,0,
%U A118109 0,0,1,0,0,0,1,0,0,0,1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,0,1
%N A118109 Binary representation of n-th iteration of the Rule 54 elementary cellular 
               automaton starting with a single black cell.
%H A118109 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Rule54.html">Rule 54</a>
%H A118109 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ElementaryCellularAutomaton.html">Elementary Cellular Automaton</
               a>
%e A118109 1; 1, 1, 1; 1, 0, 0, 0, 1; 1, 1, 1, 0, 1, 1, 1; 1, 0, 0, 0, 1, 0, 0, 
               0, 1; ...
%Y A118109 Cf. A118108.
%Y A118109 Sequence in context: A084052 A130630 A059318 this_sequence A104037 A014044 
               A014079
%Y A118109 Adjacent sequences: A118106 A118107 A118108 this_sequence A118110 A118111 
               A118112
%K A118109 nonn,tabf
%O A118109 0,1
%A A118109 Eric Weisstein (eric(AT)weisstein.com), Apr 13, 2006