%I #9 Sep 05 2021 19:19:30
%S 1,1,55,595,9028,127707,1830234,26160354,374285478,5353011036,
%T 76569060586,1095191883209,15665062073662,224064344818735,
%U 3204894379079451,45841053844805851,655685372871482854,9378564896063570084,134145862914757375163,1918749051397966520006
%N Number of tilings of a 9 X n rectangle using integer-sided square tiles.
%H Alois P. Heinz, <a href="/A219928/b219928.txt">Table of n, a(n) for n = 0..300</a>
%Y Column k=9 of A219924.
%Y Cf. A226552.
%K nonn
%O 0,3
%A _Alois P. Heinz_, Dec 01 2012