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[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/session.php on line 580: sizeof(): Parameter must be an array or an object that implements Countable
[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/session.php on line 636: sizeof(): Parameter must be an array or an object that implements Countable
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10050040060

Posted: Mon Oct 16, 2017 8:26 pm

by ada

$n^2<4^{n-1}$ for $n\geq3$ and $n\in\mathbb{Z}^+$