%I A039655
%S A039655 0,0,2,0,1,0,2,5,1,0,4,0,1,1,2,0,2,0,1,1,2,0,1,2,1,3,2,0,1,0,5,1,1,1,2,
%T A039655 0,1,2,1,0,4,0,1,5,1,0,2,4,2,1,1,0,3,1,3,1,1,0,1,0,4,1,2,1,2,0,3,4,2,0,
%U A039655 2,0,1,2,1,4,1,0,2,2,3,0,1,1,1,3,1,0,1,2,1,1,2,3,1,0,3,2,2,0,2,0,2,1,2
%N A039655 Number of iterations of f(x) = sigma(x)-1 on n required to reach a prime.
%Y A039655 Cf. A039649-A039656.
%Y A039655 Sequence in context: A030010 A163577 A132178 this_sequence A103775 A093057 
               A065334
%Y A039655 Adjacent sequences: A039652 A039653 A039654 this_sequence A039656 A039657 
               A039658
%K A039655 nonn
%O A039655 2,3
%A A039655 David W. Wilson (davidwwilson(AT)comcast.net)