%I A048857
%S A048857 0,3,7,5,31,7,127,17,73,31,89,13,8191,127,151,257,131071,73,524287,41
%N A048857 A005420 prefixed with a 0.
%Y A048857 Sequence in context: A097406 A112927 A064078 this_sequence A005420 A161818 
               A161509
%Y A048857 Adjacent sequences: A048854 A048855 A048856 this_sequence A048858 A048859 
               A048860
%K A048857 dead
%O A048857 1,2