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%I #4 May 20 2018 10:32:19
%S 1,908,776,18773,86300,793698,7309444,56105221,545744025,4501996186,
%T 40822487746,356527024641,3135277472780,27735274590050,
%U 243518991915673,2150034839444859,18927252511729349,166813401206430162
%N Number of nX7 0..1 arrays with every element unequal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
%C Column 7 of A304894.
%H R. H. Hardin, <a href="/A304893/b304893.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..0..1..0..1. .0..1..0..1..1..0..1. .0..0..0..1..1..0..1
%e ..1..0..1..0..0..1..0. .1..1..1..0..0..0..1. .1..1..0..0..0..0..1
%e ..0..0..0..0..1..1..0. .1..0..1..0..0..0..1. .0..0..0..1..0..0..0
%e ..0..1..0..0..1..1..0. .0..1..1..0..0..0..1. .1..0..0..1..0..0..1
%e ..1..0..0..1..1..0..1. .0..1..0..1..0..1..0. .1..0..1..1..1..0..1
%Y Cf. A304894.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 20 2018