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Found problems: 1

2024 Junior Macedonian Mathematical Olympiad, 4
Let $a_1, a_2, ..., a_n$ be a sequence of perfect squares such that $a_{i + 1}$ can be obtained by concatenating a digit to the right of $a_i$. Determine all such sequences that are of maximum length. [i]Proposed by Ilija Jovčeski[/i]
maximum length sequence perfect square perfect squares sequences