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A266622
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Decimal representation of the n-th iteration of the "Rule 45" elementary cellular automaton starting with a single ON (black) cell.
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1
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1, 2, 15, 80, 109, 1718, 987, 29804, 6833, 503754, 61471, 8196000, 446685, 132869478, 4044683, 2135349340, 28010209, 34275691290, 252075183, 548965769712, 1832196621, 8790562745814, 16523720315, 140687644563596, 114063811921, 2251453327265770, 1038913441855
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OFFSET
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0,2
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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=45; 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 *)
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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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