A219809 - OEIS

%I #5 Dec 18 2015 18:18:22

%S 3,6,62,648,11395,510090,59065976

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

%C Diagonal of A219816

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 28 2012