

A219679


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


0




OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for n=3
..1..0..0....1..0..0....1..1..0....2..0..0....0..0..0....1..0..0....0..0..0
..1..0..0....1..0..0....1..0..0....2..0..0....0..0..0....0..0..0....0..0..0
..1..1..2....2..2..2....2..0..0....2..2..2....2..2..2....0..0..1....2..1..1


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



