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

%I #4 Apr 17 2018 13:22:17

%S 13,113,150,869,3069,13597,63254,298328,1487003,7748342,41876150,

%T 234739185,1358331357,8044921674,48567141833,297402619344,

%U 1839614527950,11463650530293,71813104193006,451521024746927,2846294049645254

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

%C Column 6 of A303040.

%H R. H. Hardin, <a href="/A303038/b303038.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A303040.

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 17 2018