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A267440
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Binary representation of the n-th iteration of the "Rule 129" elementary cellular automaton starting with a single ON (black) cell.
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1
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1, 0, 100, 0, 1111100, 1110000, 11001001100, 0, 111111111111100, 111111111110000, 1100111111111001100, 111111100000000, 11111100111110011111100, 11110000111000011110000, 110011001100100110011001100, 0, 1111111111111111111111111111100
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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REFERENCES
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S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
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LINKS
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MATHEMATICA
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rule=129; 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]]], {k, 1, rows}] (* Binary Representation of Rows *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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