437992domain: NAppears in sequencesG.f.: A(x) satisfies A(x) = x/(1 - (1-2x)*A( x/(1-2x) )).at n=9A179488Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 302", based on the 5-celled von Neumann neighborhood.at n=18A280839