%I A088552
%S A088552 3,7,31,127,8191,131071,524287,2147483647,2305843009213693951
%N A088552 Duplicate of A000668.
%Y A088552 Sequence in context: A081093 A057612 A136005 this_sequence A000668 A136007 
               A084732
%Y A088552 Adjacent sequences: A088549 A088550 A088551 this_sequence A088553 A088554 
               A088555
%K A088552 dead
%O A088552 1,1