Problem #WSP-000402

Problem

Let $s_{n}$ be the product of the numbers in the $n^{th}$ row. (e.g. $s_{3} = 1 \cdot 3 \cdot 3 \cdot 1 = 9$ ) What’s the limit $lim_{n \to \infty} \frac{s_{n - 1} s_{n + 1}}{s_{n}^{2}} ?$

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