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A207482 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically 0

%I

%S 2,16,82,530,4041,26980,268275,2555724,30415590,441509828,8373148373,

%T 212120269939,7313507695094,322966671937819,18599518847838594,

%U 1383707197762948671,137553485485585731530,16701189911469748208243

%N Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically

%C Diagonal of A207488

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 18 2012

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Last modified August 10 16:24 EDT 2022. Contains 356039 sequences. (Running on oeis4.)