%I #9 Oct 02 2013 16:25:26
%S 1,3,7,19,47,125,310,803,2020,5144,12986,32829,82728,208461,524092,
%T 1317284,3305350,8291010,20770830
%N Number of 1-sided strip polycairos 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/Polycairo.html">Polycairo</a>
%Y Cf. A159866, A151534, A151536.
%K nonn,hard,more
%O 1,2
%A _Ed Pegg Jr_, May 13 2009
%E a(13)-a(19) from _Joseph Myers_, Oct 03 2011