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Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 18 2018 19:26:22

%S 64,5912,148138,4691054,146589898,4522081307,140997597309,

%T 4396796733747,136949793274310,4269926124391041,133117320744919189,

%U 4149869997031161778,129379842640237961685,4033610575179768757295,125754020010572244054189

%N Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A317004.

%H R. H. Hardin, <a href="/A317003/b317003.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317004.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 18 2018