%I #9 Feb 06 2017 12:29:26
%S 1,1173,5271923,30860212081,193553900967497,1235348565576072999,
%T 7918615596845276941783,50812059004074711375396005,
%U 326133836808482000144440191279,2093399184722452211913343015136793,13437387174568575272118729720355720407
%N Number of tilings of an 8 X 3n rectangle using 8n trominoes of any shape.
%H Alois P. Heinz, <a href="/A269958/b269958.txt">Table of n, a(n) for n = 0..262</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Tromino">Tromino</a>
%Y Trisection of column k=8 of A233320.
%K nonn
%O 0,2
%A _Alois P. Heinz_, Mar 08 2016