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Number of nX5 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 788,620944,181121542,65396633910,23419301672964,8271975196175318,

%T 2920423120381462040,1032162139387885787792,364965794046996302294576

%N Number of nX5 0..3 arrays avoiding the patterns z z+1 z or z z-1 z in any row, column, diagonal or antidiagonal

%C Column 5 of A207283

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 16 2012