16843008domain: NAppears in sequencesa(n) = 2^n + 4^n + 8^n.at n=8A074535Decimal 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 147", based on the 5-celled von Neumann neighborhood.at n=24A279175a(n) = n^4*sigma_8(n).at n=4A386788