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MathNet 2024-part-03 — 168 problems (EN–VI) Question 159

Math Olympiad Vault · MathNet 2024-part-03 — 168 problems (EN–VI)

Question 159

We define a sequence by $a_1 = 850$ and
$$
a_{n+1} = \frac{a_n^2}{a_n - 1}
$$
for $n \ge 1$. Determine all values of $n$ for which $\lfloor a_n \rfloor = 2024$.