Series vs Wall

Rahul Dravid may have gone into retirement but his job of facing the bouncers isn't over yet . Only this time , it is his son who is delivering them in the form of mathematical queries . One such query is finding the nth term of the series given by f(n) = f(n-2) + f(n-3) + n*2 your task is to help Dravid solve the query , given f(0)=0 , f(1)=1 , f(2)=1 Input first line denotes the number of te