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%I #4 Mar 31 2012 12:36:02
%S 11828,3480976,504455124,85864759616,14183811777874,2389300393136984
%N Number of (n+1)X9 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum
%C Column 8 of A185497
%e Some solutions for 4X9
%e ..0..0..0..1..0..0..0..0..1....0..0..0..0..0..0..0..1..0
%e ..0..0..0..0..0..1..0..1..0....0..0..0..1..1..0..1..1..0
%e ..0..0..0..0..0..0..1..0..1....0..0..0..0..0..0..0..1..0
%e ..0..0..0..0..0..0..1..1..1....0..0..0..0..0..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 29 2011
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