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%I #6 Feb 06 2017 12:30:15
%S 1,8266,379419508,25020222581494,1830607857363940042,
%T 137787968143635937039786,10448677822353537147395706384,
%U 793868918375370204415242288244707,60346488218332294539638857492286577712,4587865445075128062280066720936757293474915
%N Number of tilings of a 10 X 3n rectangle using 10n trominoes of any shape.
%H Alois P. Heinz, <a href="/A269959/b269959.txt">Table of n, a(n) for n = 0..200</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Tromino">Tromino</a>
%Y Trisection of column k=10 of A233320.
%K nonn
%O 0,2
%A _Alois P. Heinz_, Mar 08 2016
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