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Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 09 2018 11:17:59

%S 3,120,404,2342,14568,85222,532401,3294736,20347911,126428149,

%T 783992331,4863257013,30176562361,187222566440,1161599360151,

%U 7207152227790,44716564625643,277441946632944,1721383218868835,10680278160407538

%N Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 5 of A316641.

%H R. H. Hardin, <a href="/A316638/b316638.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..0..0..1. .0..0..0..0..1. .0..0..0..1..1. .0..0..1..1..1

%e ..0..1..0..0..0. .0..1..0..0..0. .0..1..1..0..1. .0..1..1..0..0

%e ..1..0..0..1..0. .0..0..0..0..1. .0..1..1..1..1. .1..1..1..0..0

%e ..1..0..0..1..0. .0..0..0..1..1. .1..0..1..1..1. .0..1..0..1..0

%e ..1..0..0..0..0. .0..1..0..1..0. .1..1..1..0..1. .0..0..0..1..1

%Y Cf. A316641.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 09 2018