429490176domain: NAppears in sequencesExpansion of 1/(1-2*x^2-4*x^3). (2,4)-Padovan sequence.at n=30A176739Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 510", based on the 5-celled von Neumann neighborhood.at n=29A288808