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%I #5 Mar 31 2012 12:36:03
%S 16,96,510,3756,23064,175588,1091308,13289252,94533508,1604631196,
%T 12332662584
%N Number of (n+1)X(n+1) binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum
%C Diagonal of A185798
%e Some solutions for 3X3
%e ..0..0..0....1..1..1....1..1..0....1..1..1....1..1..1....0..0..0....0..1..1
%e ..1..1..0....0..0..1....1..0..1....0..0..1....0..0..1....1..1..0....0..0..1
%e ..0..1..0....1..0..1....1..0..0....0..0..1....0..1..0....1..1..0....0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 04 2011
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