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Number of nX6 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly one element.
1

%I #4 Feb 15 2017 10:20:22

%S 0,280,50962,2129756,98841792,4309285780,177265299282,7188315304848,

%T 285685036982550,11185860279693232,433247722292141736,

%U 16623020006704694792,632889808390369905646,23940012420901856832580

%N Number of nX6 0..1 arrays with no 1 equal to more than three of its king-move neighbors, with the exception of exactly one element.

%C Column 6 of A282441.

%H R. H. Hardin, <a href="/A282439/b282439.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A282441.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 15 2017