Am nevoie de numarul 2 foarte repede va rog

Răspuns:
F(1) = (2+1)/3 = 1
F(2) = (4+1)/3 = 5/3
F(3) = (6+1)/3 = 7/3
F(4) = (8+1)/3 = 3
F(5) = (10+1)/3 = 11/3
1 + 5/3 + 7/3 + 3 + 11/3 =
4 + 4 + 11/3 =
25/3