100111101

Appears in sequences

• Largest prime < 2*a(n-1) written in binary, a(1)=2.at n=9A124387
• Binary 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 441", based on the 5-celled von Neumann neighborhood.at n=8A282222