Answer
$-17,-11,7,61,223$
Work Step by Step
$f(n)=3^n-20$
$f(1)=3^1-20=-17$
$f(2)=3^2-20=-11$
$f(3)=3^3-20=7$
$f(4)=3^4-20=61$
$f(5)=3^5-20=223$
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