Question

MEDAL!!!!
Write a function to find the nth term of the following data.

Answer 1

@jhonyy9 @triciaal

Answer 2

f_1 = 2
f_2 = 2
f_3 = 3
f_4 = 4
f_5 = 5

Answer 3

@mathmate Can you please help me?

Answer 4

It looks something like
f(n)=2*f(n-1)-f(n-2)
but it doesn't work for n=3 (the start). :(
Hope someone else has a better idea.
@ganeshie8