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%I #10 Dec 23 2015 07:50:17
%S 1,3,3,51,19,947,531,14259,1555,254899,242195,3282867,1549843,
%T 61236147,39989779,909580211,50701843,16943440819,16535925267,
%U 219187713971,76730705427,4093388546995,2386876576275,60826208376755,5184257369619,1105033902449587
%N Decimal representation of the n-th iteration of the "Rule 149" 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="/A265717/b265717.txt">Table of n, a(n) for n = 0..999</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ElementaryCellularAutomaton.html">Elementary Cellular Automaton</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>
%e From _Michael De Vlieger_, Dec 14 2015: (Start)
%e First 8 rows, replacing leading zeros with ".", the row converted to its binary, then decimal equivalent at right :
%e 1 -> 1 -> 1
%e . 1 1 -> 11 -> 3
%e . . . 1 1 -> 11 -> 3
%e . 1 1 0 0 1 1 -> 110011 -> 51
%e . . . . 1 0 0 1 1 -> 10011 -> 19
%e . 1 1 1 0 1 1 0 0 1 1 -> 1110110011 -> 947
%e . . . 1 0 0 0 0 1 0 0 1 1 -> 1000010011 -> 531
%e . 1 1 0 1 1 1 1 0 1 1 0 0 1 1 -> 11011110110011 -> 14259
%e (End)
%t rule = 149; rows = 30; Table[FromDigits[Table[Take[CellularAutomaton[rule,{{1},0}, rows-1, {All,All}][[k]], {rows-k+1, rows+k-1}], {k,1,rows}][[k]],2], {k,1,rows}]
%Y Cf. A265246, A265715.
%K nonn,easy
%O 0,2
%A _Robert Price_, Dec 14 2015