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A219633 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 7Xn array 0

%I #3 Nov 24 2012 08:32:30

%S 36,301,22715,1468544,83758183,3863292782,149566037863,5215608770167

%N Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..2 7Xn array

%C Row 7 of A219627

%e Some solutions for n=3

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 24 2012

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)