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

1,1

Comments

Diagonal of A218897

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A052613 A156493 A339299 * A117515 A265936 A085865

Adjacent sequences: A218888 A218889 A218890 * A218892 A218893 A218894

Keyword

nonn

Author

R. H. Hardin Nov 08 2012

Status

approved