5255552

Appears in sequences

• a(n) contains n digits (either '2' or '5') and is divisible by 2^n.at n=6A053317
• 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 777", based on the 5-celled von Neumann neighborhood.at n=25A283916