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Omni-MATH / Let a₁=3, and for n≥1, let a_(n+1)=(n+1)a_(n)−n. Find the smallest m≥2005 such that a_(m+1)−1∣a_(m)²−1. · Discussion

Discussing Let a₁=3, and for n≥1, let a_(n+1)=(n+1)a_(n)−n. Find the smallest m≥2005 such that a_(m+1)−1∣a_(m)²−1. · Omni-MATH

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