262047

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 237", based on the 5-celled von Neumann neighborhood.at n=17A280139
• a(n) = 2^(n+3) - 6*n - 7.at n=15A320661