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A219588 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X n array 0

%I

%S 3,7,84,1114,26006,1767430,415752625

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

%C Diagonal of A219595

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 23 2012

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Last modified March 22 12:46 EDT 2019. Contains 321421 sequences. (Running on oeis4.)