1001010001

Appears in sequences

• a(n) = 1 + n^4 + n^6 + n^9.at n=9A123657
• Binary 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 329", based on the 5-celled von Neumann neighborhood.at n=18A281172
• Concatenate n and n-1 in binary.at n=17A317947