A250506 Number of (n+2)X(2+2) 0..2 arrays with nondecreasing medians of every three consecutive values in every row and column

300763, 9777655, 289735900, 8566581775, 211068335312, 4788105206370, 106126605135236, 2219165591607345, 44296932467093518, 863344277050145773, 16398452113636312341, 304011141191511318716, 5541141767706039301570

Offset

1,1

Comments

Column 2 of A250507

Links

R. H. Hardin, Table of n, a(n) for n = 1..39

Example

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

Crossrefs

Sequence in context: A283209 A113939 A023686 * A156998 A156999 A111031

Adjacent sequences: A250503 A250504 A250505 * A250507 A250508 A250509

Keyword

nonn

Author

R. H. Hardin, Nov 24 2014

Status

approved