318971

Appears in sequences

• Number of length n+3 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=26A255110
• Decimal 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 382", based on the 5-celled von Neumann neighborhood.at n=18A281639