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

%I #4 Feb 15 2018 14:54:45

%S 32,1841,40023,974646,24665530,615314145,15351583824,384274120067,

%T 9615094296606,240555736495426,6019667561802190,150639005352591657,

%U 3769627665367430496,94333408395773456126,2360665732453296815773

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

%C Column 6 of A299668.

%H R. H. Hardin, <a href="/A299666/b299666.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A299668.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 15 2018