1048180

Appears in sequences

• Square spiral of sums of selected preceding terms, starting at 1 (a spiral Fibonacci-like sequence).at n=29A094768
• 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 105", based on the 5-celled von Neumann neighborhood.at n=19A278859