A218891 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..1 n X n array.

2, 6, 72, 1096, 54726, 4575512, 969423130, 418239229652, 408299236290280, 866521302130938818

Offset: 1

Author

R. H. Hardin Nov 08 2012

Keywords

• nonn

Comments

Diagonal of A218897

Examples

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