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$$\large{\begin{gather*}\color{#ff7800}(a_n)_{n=0}^{\infty}\\ \Updownarrow\\0,1,1,2,3,5,8,13,21,\\34,55,89,144,233,377\\610,987,1597,2584,4181,\\6765,10946,17711,\ldots\end{gather*}}$$

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