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A209086 Number of n X n 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically 0

%I

%S 4,256,196916,1971161340,260988770962672,455585601029801268422

%N Number of n X n 0..3 arrays avoiding the pattern z z+1 z horizontally and z z-1 z vertically

%C Diagonal of A209092

%e Some solutions for n=4

%e ..0..1..3..0....3..2..2..1....1..3..0..1....1..0..2..1....2..0..1..1

%e ..2..0..3..0....1..2..2..0....0..0..1..1....0..1..1..2....2..0..1..2

%e ..2..0..3..1....1..3..1..3....0..1..1..3....2..1..0..3....1..3..0..0

%e ..1..2..0..2....1..0..3..3....3..0..3..1....1..0..2..0....1..3..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 05 2012

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Last modified September 27 07:12 EDT 2022. Contains 357052 sequences. (Running on oeis4.)