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What will come in place of the question mark (?) in the following number series?
8, 17, 42, 91, ?
170
142
140
172
180
Square of odd consecutive numbers are added
8 + $$3^2$$ = 17
17 + $$5^2$$ = 42
42 + $$7^2$$ = 91
91 + $$9^2$$ = 172
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