-5692domain: ZAppears in sequencesReal part of g.f. C(x) that satisfies: C(x) = 1 + x*C(I*x)^2.at n=13A193377First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 291", based on the 5-celled von Neumann neighborhood.at n=43A271132