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A266810
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Decimal representation of the n-th iteration of the "Rule 62" elementary cellular automaton starting with a single ON (black) cell.
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2
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1, 7, 25, 111, 433, 1751, 7033, 28047, 112305, 449495, 1797241, 7189903, 28761777, 115041239, 460172409, 1840706959, 7362780849, 29451183063, 117804870777, 471219107215, 1884876906161, 7539508732887, 30158031924345, 120632131515791, 482528534929073
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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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FORMULA
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Empirical g.f.: (1+3*x-3*x^2+3*x^3-36*x^4+40*x^5-56*x^6) / ((1-x)*(1+x)*(1-2*x)*(1-4*x)*(1+x^2)*(1+2*x+4*x^2)). - Colin Barker, Jan 04 2016 and Apr 17 2019
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MATHEMATICA
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rule=62; 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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