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A184458 Half the number of (n+1)X(n+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks 0

%I

%S 3,35,3090,1181303,1925704384,13061240432092,364710845961492808,

%T 41619801566809753837565,19314484317434151178477352552

%N Half the number of (n+1)X(n+1) binary arrays with equal numbers of majority one 2X2 subblocks and majority zero 2X2 subblocks

%C Diagonal of A184467

%e Some solutions for 3X3

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

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

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

%e ...

%e ...E..M.......E..E.......M..M.......E..E.......M..P.......E..P.......E..E...

%e ...P..E.......E..E.......P..P.......E..E.......E..E.......E..M.......E..E...

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 15 2011

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Last modified September 27 22:36 EDT 2020. Contains 337388 sequences. (Running on oeis4.)