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A219938 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX7 array 0

%I

%S 84,1660,100761,9073439,871084602

%N Number of nX7 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX7 array

%C Column 7 of A219939

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 01 2012

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Last modified June 25 19:25 EDT 2022. Contains 354851 sequences. (Running on oeis4.)