Question 385674
f(1)=2
f(2)=2*f(1)-1=2(2)-1=3
f(3)=2*f(2)-1=2(3)-1=5
f(4)=2*f(3)-1=2(5)-1=9
f(5)=2*f(4)-1=2(9)-1=17
f(6)=2*f(5)-1=2(17)-1=33