TSTST 2018 Problem 8

For which positive integers $b>2$ do there exist infinitely many positive integers $n$ such that $n^{2}$ divides $b^{n}+1$ ?

Dataset text NuminaMath olympiads. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.

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