%I A066931
%S A066931 1,1,6,113,20174
%N A066931 Number of ways to tile hexagon of edge n with diamonds of side 1, not 
               counting rotations and reflections as different.
%H A066931 R. K. Guy and D. J. Reble, <a href="a066931.txt">Illustration of initial 
               terms</a>
%Y A066931 Cf. A008793.
%Y A066931 Sequence in context: A009612 A009798 A088668 this_sequence A051228 A059116 
               A121544
%Y A066931 Adjacent sequences: A066928 A066929 A066930 this_sequence A066932 A066933 
               A066934
%K A066931 nonn,more
%O A066931 0,3
%A A066931 R. K. Guy (rkg(AT)cpsc.ucalgary.ca), Feb 05 2002
%E A066931 One more term from Don Reble (djr(AT)nk.ca), Feb 07 2002