67108856

Appears in sequences

• Numerators of coefficients in expansion of x^-2*(1-exp(-2*x))^2.at n=22A104042
• a(n) = Sum_{k=0..n} floor(C(n,k)/2).at n=27A120739
• 2^n - number of digits of 2^n.at n=26A139817
• a(n) = 8*(2^n - 1).at n=22A159741
• Row sums of triangle A166455.at n=25A166456
• 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 259", based on the 5-celled von Neumann neighborhood.at n=25A280369
• 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 633", based on the 5-celled von Neumann neighborhood.at n=25A283403