$${\begin {array} {l} a_1 = \frac {1} {1} = 1, \, a_2 = \frac {1} {2} = 0,5, \\ a_3 = \frac {1} {3} = 0.3\bar3, \, a_4 = \frac {1} {4} = 0,25, \, \ldots \end {array}}$$