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Omni-MATH / Find all positive integers n such that there exists a sequence of positive integers a₁, a₂,…, a_(n) satisfying: a_(k+1)=(a_(k)²+1)/(a_(k−1)+1)−1 for every k with 2≤k≤n−1. [i] · Discussion

Discussing Find all positive integers n such that there exists a sequence of positive integers a₁, a₂,…, a_(n) satisfying: a_(k+1)=(a_(k)²+1)/(a_(k−1)+1)−1 for every k with 2≤k≤n−1. [i] · Omni-MATH

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