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A219834 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 7Xn array 0

%I #3 Nov 28 2012 17:45:48

%S 120,2748,413442,40480756,3570274220,281148237555

%N Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..3 7Xn array

%C Row 7 of A219828

%e Some solutions for n=3

%e ..0..0..2....0..0..0....0..0..0....0..0..0....0..0..0....0..0..2....0..0..2

%e ..0..0..2....0..0..0....0..0..0....0..0..0....0..0..0....0..0..2....0..0..2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 2012

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)