268435448

Appears in sequences

• a(n) = Sum_{k=0..n} floor(C(n,k)/2).at n=29A120739
• a(n) = 8*(2^n - 1).at n=24A159741
• a(n) = round((2^n - n - 1)/4).at n=29A173010
• 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=27A280369
• 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=27A283403
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 149", based on the 5-celled von Neumann neighborhood.at n=27A286084
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 347", based on the 5-celled von Neumann neighborhood.at n=27A287751
• a(n) = 2^n - (2^(n-1) mod n), where "mod" is the nonnegative remainder operator.at n=27A320465