

A219285


Number of n X n arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X n array


0




OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

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


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



