613566756

Appears in sequences

• a(n) = floor(2^(n+2)/7).at n=29A033138
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 2, 1, 0.at n=14A037521
• Expansion of (1-x)/(1 - x - x^2 - 2*x^3).at n=31A078010
• a(n) = (8^n - 1)*4/7.at n=10A108019
• a(n) + a(n+1) + a(n+2) = 2^n.at n=31A152732
• A023001 interleaved with 2*A023001 and 4*A023001.at n=32A155803
• 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 401", based on the 5-celled von Neumann neighborhood.at n=31A281842
• 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 401", based on the 5-celled von Neumann neighborhood.at n=31A281843
• The "Fouriest" numbers: numbers that can be expressed as a string of 4's longer than the original number in some base.at n=23A349031