A218058 Number of n X n arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 n X n array

2, 6, 74, 1664, 99934, 14096488, 4803404048, 3998208473098, 7963043911683306, 38560364205334572480, 449439593711854068531514, 12671283745052415612872263552, 862325227959961803770298778601380

Offset

1,1

Comments

Diagonal of A218064

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A061296 A019993 A357024 * A207136 A304641 A065410

Adjacent sequences: A218055 A218056 A218057 * A218059 A218060 A218061

Keyword

nonn

Author

R. H. Hardin Oct 19 2012

Status

approved