A218077 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..1 n X n array

2, 4, 26, 342, 9570, 541648, 63539000, 15273379756, 7536355198322, 7638025013662022, 15885925464819479594, 67830148307791047786954, 594506334059654048458398386, 10695894538923756861560332296188

Offset

1,1

Comments

Diagonal of A218084

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Sequence in context: A193480 A032076 A182146 * A240040 A088888 A102996

Adjacent sequences: A218074 A218075 A218076 * A218078 A218079 A218080

Keyword

nonn

Author

R. H. Hardin Oct 20 2012

Status

approved