What is the value of H3H_3H3 given Hn=Hn−1+1nH_n = H_{n-1} + \frac{1}{n}Hn=Hn−1+n1 and H1=1H_1 = 1H1=1?
1.51.51.5
1.8331.8331.833
2.02.02.0
1.6661.6661.666