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Omni-MATH / Find all positive integers n≥1 such that n²+3^(n) is the square of an integer.

Problem

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problem

Find all positive integers n≥1n\geq 1 such that n2+3nn^2+3^n is the square of an integer.
Plain-text mathematical notation (without MathML)
Find all positive integers n≥1 such that n²+3^(n) is the square of an integer.
Original LaTeX notation
Find all positive integers $n\geq 1$ such that $n^2+3^n$ is the square of an integer.

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