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Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
1

%I #4 Apr 18 2018 12:19:47

%S 1,168,432,3667,34430,409478,4862916,60442630,764631608,9669569563,

%T 122749248476,1560529225399,19844842693550,252421510589391,

%U 3211301552676338,40856246979685360,519811697254457408

%N Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

%C Column 6 of A303084.

%H R. H. Hardin, <a href="/A303082/b303082.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303084.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 18 2018