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Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
1

%I #4 Jul 31 2018 12:45:39

%S 32,1576,34152,869466,23570355,611929512,16121282196,424656152144,

%T 11163587715218,293760158289423,7728778787349586,203330071676352641,

%U 5349522522646684514,140741382521970716959,3702784618837723325033

%N Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

%C Column 6 of A317572.

%H R. H. Hardin, <a href="/A317570/b317570.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A317572.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 31 2018