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HMMT 2017 U7

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An ordered pair of sets (A,B)(A, B) is good if AA is not a subset of BB and BB is not a subset of AA. How many ordered pairs of subsets of {1,2,…,2017}\{1,2, \ldots, 2017\} are good?

Dataset text NuminaMath olympiads. Quoted with source.

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4^{2017}-2 \cdot 3^{2017}+2^{2017}

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