4268032

Appears in sequences

• a(n) = 2^n*Lucas(n), where Lucas = A000032.at n=13A087131
• Expansion of 2*x*(1+4*x) / (1-12*x+16*x^2).at n=6A270445
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood.at n=22A278662