A219576 - OEIS

%I #3 Nov 23 2012 10:44:23

%S 56,514,24679,1052190,37870076,1391739384,51875846851

%N Number of nX6 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..3 nX6 array

%C Column 6 of A219578

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 23 2012