Answer
$a_1=a_2=a_3=a_4=a_5=\frac{2}{3}$
Work Step by Step
$a_n=\frac{2}{3}$
It is a constant sequence, that is, all the terms are equal to $\frac{2}{3}$. So:
$a_1=a_2=a_3=a_4=a_5=\frac{2}{3}$
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