Find the Indicated Term of the Sequence $$\begin{array} { l } a _ { n } = ( - 1 ) ^ { n } ( 3 n - 1 ) \\a _ { 16 } = \square\end{array}$$

Find the indicated term of the sequence. $$\begin{array} { l } a _ { n } = ( - 1 ) ^ { n } ( 3 n - 1 ) \\a _ { 16 } = \square\end{array}$$

A) -44
B) 47
C) 49
D) -2
E) 45