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n=51
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n≔51
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n=\frac{1024-4}{21-1}
Multiply 256 and 4 to get 1024.
n=\frac{1020}{21-1}
Subtract 4 from 1024 to get 1020.
n=\frac{1020}{20}
Subtract 1 from 21 to get 20.
n=51
Divide 1020 by 20 to get 51.
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