%I A006031
%S A006031 3,7,137,283,883,991,1021,1193,3671
%N A006031 Erroneous version of A016054.
%Y A006031 Sequence in context: A005844 A156521 A012636 this_sequence A119958 A031881 
               A114789
%Y A006031 Adjacent sequences: A006028 A006029 A006030 this_sequence A006032 A006033 
               A006034
%K A006031 dead
%O A006031 1,1