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%I #8 Oct 02 2013 16:25:26
%S 1,1,2,6,15,44,121,353,1005,2919,8398,24310,70064,202225,582365,
%T 1676889,4821924,13857720,39787804
%N Number of 1-sided strip polyhexes with n cells.
%H Ed Pegg, Jr., <a href="http://demonstrations.wolfram.com/PolyformExplorer/">Illustrations of polyforms</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Polyhex.html">Polyhex</a>
%K nonn,hard,more
%O 1,3
%A _Ed Pegg Jr_, May 13 2009
%E a(13)-a(19) from _Joseph Myers_, Nov 26 2010
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