663551domain: NAppears in sequencesa(n) = 1250*n^2 + 100*n + 1.at n=22A154375Decimal 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 363", based on the 5-celled von Neumann neighborhood.at n=23A281417