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%I #7 Jan 15 2016 10:26:23
%S 1,3,7,11,31,35,103,235,383,899,1415,3979,4511,13219,30183,48747,
%T 116479,184067,512775,587531,1653535,3890979,6284135,14706667,
%U 23128191,65108099,73636231,216382347,493870495,804319139,1882288615,2960372331,8333424383,9428680451
%N Decimal representation of the n-th iteration of the "Rule 124" elementary cellular automaton starting with a single ON (black) cell.
%D S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
%H Robert Price, <a href="/A267357/b267357.txt">Table of n, a(n) for n = 0..1000</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ElementaryCellularAutomaton.html">Elementary Cellular Automaton</a>
%H S. Wolfram, <a href="http://wolframscience.com/">A New Kind of Science</a>
%H <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>
%H <a href="https://oeis.org/wiki/Index_to_Elementary_Cellular_Automata">Index to Elementary Cellular Automata</a>
%t rule=124; rows=20; ca=CellularAutomaton[rule,{{1},0},rows-1,{All,All}]; (* Start with single black cell *) catri=Table[Take[ca[[k]],{rows-k+1,rows+k-1}],{k,1,rows}]; (* Truncated list of each row *) Table[FromDigits[catri[[k]],2],{k,1,rows}] (* Decimal Representation of Rows *)
%Y Cf. A267355.
%K nonn,easy
%O 0,2
%A _Robert Price_, Jan 13 2016
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