|
%I #7 Oct 02 2013 16:25:26
%S 1,1,1,3,4,9,13,28,44,88,149,283,494,920,1633,3004,5382,9814,17660,
%T 32058,57809,104630,188800,341027,615401,1110062,2002521,3608523,
%U 6506635,11715740
%N Number of 1-sided strip polyiamonds 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/Polyiamond.html">Polyiamond</a>
%K nonn,hard,more
%O 1,4
%A _Ed Pegg Jr_, May 13 2009
%E a(21)-a(30) from _Joseph Myers_, Nov 27 2010
|
