A197439 Number of nX5 0..2 arrays with no element equal to the average of its horizontal and vertical neighbors

66, 12450, 1933358, 279785830, 41434710920, 6117749044788, 903529041581340, 133441483281347232, 19707781710109683796, 2910613305873428168598, 429864171311414595234150, 63486005383317296504335560

Offset

1,1

Comments

Column 5 of A197442

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for n=4
..2..2..0..0..0....0..1..0..0..0....0..2..0..0..0....1..2..0..0..0
..0..0..0..1..1....0..2..0..1..1....2..0..0..1..1....2..1..0..1..1
..1..1..0..0..0....2..1..2..0..0....0..2..0..0..0....2..2..1..0..0
..1..2..0..2..0....0..1..0..1..0....1..1..1..1..1....0..1..0..0..1

Crossrefs

Sequence in context: A283222 A093266 A282247 * A127706 A355470 A356688

Adjacent sequences: A197436 A197437 A197438 * A197440 A197441 A197442

Keyword

nonn

Author

R. H. Hardin Oct 15 2011

Status

approved