A250499 Number of (n+2)X(3+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column

13824, 181058, 2191444, 26447174, 277462074, 2714800972, 25923074842, 236790657881, 2082074710650, 17883220315081, 150163555369192, 1234160404805149, 9971112224455614, 79364529915078442, 623063566850902916

Offset

1,1

Comments

Column 3 of A250504

Links

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

Example

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

Crossrefs

Sequence in context: A188102 A109102 A250822 * A013821 A013912 A179582

Adjacent sequences: A250496 A250497 A250498 * A250500 A250501 A250502

Keyword

nonn

Author

R. H. Hardin, Nov 24 2014

Status

approved