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A234785 Number of (n+1)X(7+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases 1

%I #4 Dec 30 2013 17:15:07

%S 5085004,3340355564,2268967605156,1560344155530604,

%T 1078605317680077396,747324517604795047044,518342328616619031217020,

%U 359698014444415101581399764,249665914107637738650774896460

%N Number of (n+1)X(7+1) 0..3 arrays with no adjacent elements equal and with each 2X2 subblock having the number of clockwise edge increases equal to the number of counterclockwise edge increases

%C Column 7 of A234786

%H R. H. Hardin, <a href="/A234785/b234785.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..2..0..3..2..3..1..2..0....2..0..3..0..3..1..3..1....2..0..2..3..2..0..2..0

%e ..0..3..0..3..1..3..1..2....0..2..0..2..0..3..0..3....0..3..0..2..1..3..0..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 30 2013

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