%I #4 Dec 02 2012 18:33:46

%S 1,0,569,26676,3962734,342302244,37873593799,3704964324320,

%T 385840008972355,38896105985522272,3988620629294917699,

%U 405324462894583579568,41388678831664101508625,4215380264404938792346540,429927047644440948315400804,43815601312259648266416292348

%N Number of tilings of a 9 X n rectangle using dominoes and right trominoes.

%H Alois P. Heinz, <a href="/A219992/b219992.txt">Table of n, a(n) for n = 0..200</a>

%Y Column k=9 of A219987.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Dec 02 2012