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A255297
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Number of ON cells after n generations of the odd-rule cellular automaton defined by OddRule 035 when started with a single ON cell.
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0
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1, 4, 4, 14, 4, 16, 14, 46, 4, 16, 16, 56, 14, 56, 46, 146, 4, 16, 16, 56, 16, 64, 56, 184, 14, 56, 56, 196, 46, 184, 146, 454, 4, 16, 16, 56, 16, 64, 56, 184, 16, 64, 64, 224, 56, 224, 184, 584, 14, 56, 56, 196, 56, 224, 196, 644, 46, 184, 184, 644
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OFFSET
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0,2
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LINKS
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N. J. A. Sloane, On the No. of ON Cells in Cellular Automata, Video of talk in Doron Zeilberger's Experimental Math Seminar at Rutgers University, Feb. 05 2015: Part 1, Part 2
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FORMULA
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MATHEMATICA
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a27649[n_] := 2(3^n) - 2^n;
Table[Times @@ (a27649[Length[#]]&) /@ Select[Split[IntegerDigits[n, 2]], #[[1]] == 1&], {n, 0, 59}] (* Jean-François Alcover, Sep 15 2018 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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