350405

Appears in sequences

• Decimal 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 902", based on the 5-celled von Neumann neighborhood.at n=18A284357
• a(1) = 1; a(n+1) = Sum_{d|n} 4^(n/d - 1) * a(d).at n=10A355117