5586944domain: NAppears in sequencesDecimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood.at n=22A278873Hankel determinant H_n(F_3(x)) of the sequence F_3(x).at n=14A278995