%I A118172
%S A118172 1,1,1,1,1,1,1,0,1,1,1,1,0,0,1,1,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,
%T A118172 1,1,1,1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0,1,1,
%U A118172 1,0,1,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,1,1,0,0,1,1,1,1,1,0,1
%N A118172 Binary representation of n-th iteration of the Rule 158 elementary cellular 
               automaton starting with a single black cell.
%H A118172 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Rule158.html">Rule 158</a>
%H A118172 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ElementaryCellularAutomaton.html">Elementary Cellular Automaton</
               a>
%e A118172 1; 1, 1, 1; 1, 1, 1, 0, 1; 1, 1, 1, 0, 0, 1, 1; 1, 1, 1, 0, 1, 1, 1, 
               0, 1; ...
%Y A118172 Cf. A118171.
%Y A118172 Sequence in context: A136705 A141646 A129573 this_sequence A118111 A119981 
               A115789
%Y A118172 Adjacent sequences: A118169 A118170 A118171 this_sequence A118173 A118174 
               A118175
%K A118172 nonn,tabf
%O A118172 0,1
%A A118172 Eric Weisstein (eric(AT)weisstein.com), Apr 13, 2006