%I A151516
%S A151516 1,1,2,4,10,24,67,182,520,1474,4248,12196
%N A151516 Number of 2-sided strip polyhexes with n cells.
%H A151516 Ed Pegg, Jr., <a href="http://demonstrations.wolfram.com/PolyformExplorer/
               ">Illustrations of polyforms</a>
%H A151516 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Polyhex.html">Polyhex</a>
%Y A151516 Sequence in context: A000084 A057734 A003104 this_sequence A121186 A028506 
               A148088
%Y A151516 Adjacent sequences: A151513 A151514 A151515 this_sequence A151517 A151518 
               A151519
%K A151516 nonn
%O A151516 1,3
%A A151516 Ed Pegg, Jr., (ed(AT)mathpuzzle.com), May 13 2009