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A250499 Number of (n+2)X(3+2) 0..1 arrays with nondecreasing medians of every three consecutive values in every row and column 1
13824, 181058, 2191444, 26447174, 277462074, 2714800972, 25923074842, 236790657881, 2082074710650, 17883220315081, 150163555369192, 1234160404805149, 9971112224455614, 79364529915078442, 623063566850902916 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)