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Number of 6Xn 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..2 6Xn array
0

%I #3 Dec 06 2012 05:49:22

%S 28,163,2062,24684,279304,3057777,32566283,333052410,3282105763,

%T 31220019553

%N Number of 6Xn 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..2 6Xn array

%C Row 6 of A220153

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2012