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A206683 Number of (n+1) X 7 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases. 1

%I

%S 93696,1809324,41876592,965476188,22293930744,514286765952,

%T 11814420790656,271625729217060,6242906689405200,143498728805999472,

%U 3298292292638564196,75816561136802863356,1742726437095710308428

%N Number of (n+1) X 7 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.

%C Column 6 of A206685.

%H R. H. Hardin, <a href="/A206683/b206683.txt">Table of n, a(n) for n = 1..124</a>

%e Some solutions for n=4:

%e ..0..1..2..2..0..1..1....2..1..0..2..1..2..2....2..0..1..0..1..1..1

%e ..2..1..1..0..0..2..1....1..1..2..2..0..1..0....0..2..1..0..2..2..0

%e ..0..2..0..1..2..2..0....0..2..0..1..2..1..0....0..1..2..2..0..1..2

%e ..1..1..2..1..1..0..2....0..2..1..0..0..2..2....1..0..2..1..0..1..0

%e ..0..0..0..2..0..1..1....0..1..2..2..0..1..1....2..2..2..0..0..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 11 2012

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Last modified September 18 12:28 EDT 2020. Contains 337169 sequences. (Running on oeis4.)