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A207282 Number of nX7 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal 0

%I #4 Mar 31 2012 12:37:16

%S 10686,114190596,268686202446,895547972671398,2920423120381462040

%N Number of nX7 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

%C Column 7 of A207283

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)