245800domain: NAppears in sequencesDecimal 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 214", based on the 5-celled von Neumann neighborhood.at n=17A279938Expansion of Sum_{n>=1} ( (2 + x^n)^n - 2^n ).at n=14A318637