%I A049865
%S A049865 0,1,2,3,4,2,3,4,5,4,5,3,4,3,5,6,7,5,6,4,4,5,6,4,5,4,5,6,7,5,6,7,5,7,5,
               5,6,
%T A049865 6,5,7,8,4,5,6,8,6,7,6,7,5,8,6,7,5,8,5,6,7,8,5,6,6,7,8,7,5,6,7,7,5,6,6,
               7,6,
%U A049865 7,6,6,5,6,6,7,8,9,6,9,5,6,6,7,8,7,6,6,7,7,7,8,7,7,7,8,8,9,7,7,7,8,6,7,
               8,7
%N A049865 Number of iterations of unitary totient function (A047994) required to 
               reach 1 from n.
%Y A049865 Sequence in context: A107795 A151925 A106653 this_sequence A070771 A046068 
               A166281
%Y A049865 Adjacent sequences: A049862 A049863 A049864 this_sequence A049866 A049867 
               A049868
%K A049865 nonn,easy,nice
%O A049865 1,3
%A A049865 David W. Wilson (davidwwilson(AT)comcast.net)