A208444 Number of nX7 0..2 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it

192, 72662, 28421906, 11236338658, 4448918847452, 1761292062009546, 697471372604833664, 276168817065836267560, 109357678039856010562996, 43302239417035986606779904, 17146625234345038010798895096

Offset

1,1

Comments

Column 7 of A208445

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A187168 A078272 A299993 * A146554 A183701 A208795

Adjacent sequences: A208441 A208442 A208443 * A208445 A208446 A208447

Keyword

nonn

Author

R. H. Hardin Feb 26 2012

Status

approved