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Number of (n+1)X8 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
0

%I #4 Mar 31 2012 12:36:11

%S 3616,348728,10660334,396560236,14070003616,520845610752

%N Number of (n+1)X8 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums

%C Column 7 of A188311

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 27 2011