5, 27, 61, 122, 213, 340, 509

The terms of the series are (2³ - 3), (3³ - 3), (4³ - 3), (5³ - 3), (6³ - 3), (7³ - 3),

(8³-3).

So, 27 is wrong and must be replaced (3³ - 3) i.e. 24.