268435473

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 417", based on the 5-celled von Neumann neighborhood.at n=28A282067
• a(n) is the next Ulam number (A002858) after 2^(n-1).at n=29A347212
• a(n) is the unique k such that A357961(k) = 2^n.at n=28A357993