A217977 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..1 n X n array

2, 2, 16, 98, 1942, 54504, 3375350, 368335390, 79138501972, 31734389399738, 24359808536352098, 35370314418915229140

Offset

1,1

Comments

Diagonal of A217982

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A216387 A062282 A230990 * A368467 A012319 A012520

Adjacent sequences: A217974 A217975 A217976 * A217978 A217979 A217980

Keyword

nonn

Author

R. H. Hardin Oct 16 2012

Status

approved