%I #4 May 05 2018 15:29:02
%S 0,209,1891,48148,1105513,25507453,598203550,13909028356,324563218021,
%T 7567409946962,176452028507188,4114706214487918,95946894631956152,
%U 2237334544522483079,52170999659329203243,1216543293562638286790
%N Number of nX6 0..1 arrays with every element unequal to 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero.
%C Column 6 of A304065.
%H R. H. Hardin, <a href="/A304063/b304063.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..1..0..1. .0..1..0..1..0..1. .0..1..0..0..1..0. .0..1..0..1..1..1
%e ..0..1..1..0..0..1. .0..1..1..0..0..0. .0..1..1..1..1..0. .0..1..1..0..0..0
%e ..0..0..1..1..1..0. .0..1..0..0..1..1. .0..1..1..1..0..1. .0..1..0..0..1..1
%e ..1..0..0..1..1..0. .0..0..1..1..1..0. .0..1..0..0..0..1. .1..0..1..1..0..1
%e ..0..1..0..1..1..0. .1..1..0..0..1..0. .1..0..1..0..1..0. .1..0..1..0..1..0
%Y Cf. A304065.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 05 2018