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%I #4 Mar 31 2012 12:36:02
%S 1332,114724,5442964,294899588,15557758676,835833221744,
%T 44566790792864,2389300393136984,127764645248937538
%N Number of (n+1)X7 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum
%C Column 6 of A185497
%e Some solutions for 4X7
%e ..0..0..0..0..1..0..1....0..0..0..1..1..0..1....0..0..0..1..1..1..1
%e ..0..1..1..1..0..1..0....0..0..0..0..0..1..0....0..1..1..0..0..1..0
%e ..0..0..0..0..0..1..0....0..0..0..1..0..0..0....0..0..0..0..1..1..1
%e ..0..0..0..1..0..0..0....1..0..1..1..1..0..1....1..0..1..1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 29 2011