A232280 Number of nX7 0..2 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

292, 174400, 43029161, 13094741315, 3511626721526, 933667586918234, 256322282485691293, 70060127952500800937, 19022853021730043369306, 5176615679021925091961553, 1410282603443165709442188397

Offset

1,1

Comments

Column 7 of A232281

Links

R. H. Hardin, Table of n, a(n) for n = 1..41

Example

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

Crossrefs

Sequence in context: A231662 A098249 A190925 * A202888 A217181 A155140

Adjacent sequences: A232277 A232278 A232279 * A232281 A232282 A232283

Keyword

nonn

Author

R. H. Hardin, Nov 22 2013

Status

approved