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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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10050050030

Posted: Mon Oct 16, 2017 8:29 pm

by ada

$T_n=\frac{5^n-1}{4}$&emsp;if&emsp;$T_n=5T_{n-1}+1$,&emsp;$T_0=0$&emsp;for all $n\ge0$ and $n\in\mathbb{Z}^+$