Answer
See steps below
Work Step by Step
$$a_1 = 3^1/(1)!=3$$
$$a_2 = 3^2/(2)!=4.5$$
$$a_3 = 3^3/(3)!=9/2$$
$$a_4 = 3^4/(4)!=27/8$$
$$a_5 = 3^5/(5)!=81/40$$
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