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Number of (n+1)X5 0..3 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant
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%I #4 Mar 31 2012 12:36:02

%S 22236,3017724,173403770,15211806726,1112996493332

%N Number of (n+1)X5 0..3 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant

%C Column 4 of A185609

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 31 2011