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 A253105 A253104(2^n-1). 1
 1, 8, 32, 140, 580, 2300, 9212, 36708, 145684, 579132, 2300748, 9136868, 36293220, 144150716, 572523772, 2273961796, 9031663444, 35871633244, 142474173772, 565874928900, 2247525801188, 8926662348828, 35454669141436, 140817868278436 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Shalosh B. Ekhad, N. J. A. Sloane, and  Doron Zeilberger, A Meta-Algorithm for Creating Fast Algorithms for Counting ON Cells in Odd-Rule Cellular Automata, arXiv:1503.01796, 2015; see also the Accompanying Maple Package. Shalosh B. Ekhad, N. J. A. Sloane, and  Doron Zeilberger, Odd-Rule Cellular Automata on the Square Grid, arXiv:1503.04249, 2015. 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 N. J. A. Sloane, On the Number of ON Cells in Cellular Automata, arXiv:1503.01168, 2015 FORMULA G.f.: -(-1-4*t-6*t^3-t^4-8*t^5+4*t^6)/(1-4*t-6*t^3+29*t^4-12*t^5-8*t^6+8*t^7). CROSSREFS Cf. A253104. Sequence in context: A307004 A264280 A264390 * A290915 A334693 A336492 Adjacent sequences:  A253102 A253103 A253104 * A253106 A253107 A253108 KEYWORD nonn AUTHOR N. J. A. Sloane and Doron Zeilberger, Feb 19 2015 STATUS approved

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Last modified August 11 00:32 EDT 2020. Contains 336403 sequences. (Running on oeis4.)