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A265695
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Triangle read by rows giving successive states of cellular automaton generated by "Rule 135" initiated with a single ON (black) cell.
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10
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1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1
(list;
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internal format)
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OFFSET
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0
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COMMENTS
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Row n has length 2n+1.
Starting at row n=1 and shifting one cell to the right generates the complement of Rule 30.
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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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EXAMPLE
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Triangle begins:
1;
1,1,0;
1,1,0,0,0;
1,1,0,0,1,1,0;
1,1,0,0,1,0,0,0,0;
...
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MATHEMATICA
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rule = 135; rows = 20; Flatten[Table[Take[CellularAutomaton[rule, {{1}, 0}, rows-1, {All, All}][[k]], {rows - k + 1, rows + k - 1}], {k, 1, rows}]]
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CROSSREFS
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KEYWORD
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nonn,tabf,easy
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AUTHOR
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STATUS
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approved
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