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1, 5, 19, 71, 257, 925, 3323, 11919, 42729, 153173, 549075, 1968247, 7055601, 25292621, 90668587, 325028895, 1165167673, 4176914949, 14973497539, 53677355783, 192423938625, 689806295677, 2472835597211, 8864685923631, 31778359388937, 113919900383925, 408383064188083, 1463982386475159
(list;
graph;
refs;
listen;
history;
text;
internal format)
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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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G.f.: (1-x)*(1-x^2-2*x^3-6*x^4)/(1-6*x+10*x^2-8*x^3+15*x^4-10*x^5-10*x^6).
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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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