121, 118, 110, 95, ?, 36

Solution

Numbers of the form $$(n^2 - 1)$$ are subtracted, where $$n \geq 2$$

121 $$- (2^2 - 1)$$ = 118

118 $$- (3^2 - 1)$$ = 110

110 $$- (4^2 - 1)$$ = 95

95 $$- (5^2 - 1)$$ = 71

71 $$- (6^2 - 1)$$ = 36

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