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A250567 Number of (n+2)X(n+2) 0..1 arrays with nondecreasing maximum of every three consecutive values in every row and column 0
512, 39852, 9583440, 6967413024, 15037777879872, 99734163008521518, 2034240174378849957658, 127927996167974091553962336 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A250574
LINKS
EXAMPLE
Some solutions for n=2
..0..1..1..0....0..0..0..1....0..0..1..1....1..0..0..1....0..1..0..1
..0..1..1..0....1..1..0..0....0..0..0..0....0..0..0..0....0..1..1..1
..0..0..0..1....0..1..1..0....1..1..1..1....1..0..0..1....1..0..0..1
..1..1..0..0....0..1..0..1....0..0..1..1....1..1..0..0....1..0..1..0
CROSSREFS
Sequence in context: A254084 A284033 A240933 * A035753 A107549 A186797
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2014
STATUS
approved

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Last modified May 30 18:48 EDT 2024. Contains 372974 sequences. (Running on oeis4.)