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

%I #4 Apr 24 2018 10:20:43

%S 32,2048,90112,4129588,189848373,8727953509,401405461699,

%T 18461936404456,849140799884830,39055765228960644,1796351602106938846,

%U 82622397275547501377,3800181265180961967638,174787695136683295423742

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

%C Column 6 of A303456.

%H R. H. Hardin, <a href="/A303454/b303454.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303456.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 24 2018