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A254777 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
11677, 55196, 295516, 1667480, 10062375, 63224224, 399523689, 2516653715, 15940153378, 100822757319, 637477883084, 4029891955749, 25481923685643, 161106860957630, 1018615476900188, 6440151906907028, 40717797932804217 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A254775
LINKS
EXAMPLE
Some solutions for n=2
..1..1..0..0....0..0..1..0....0..1..0..1....1..1..0..0....1..1..0..1
..1..0..0..1....0..0..0..0....1..0..0..1....0..0..0..1....0..0..1..0
..0..1..1..1....0..0..1..0....1..0..0..1....0..1..0..1....1..1..1..1
..0..0..1..0....1..1..1..0....0..0..1..1....0..1..0..0....0..1..1..1
..1..1..1..0....0..1..0..1....1..1..0..1....0..1..1..0....0..1..1..1
CROSSREFS
Sequence in context: A223439 A223691 A254770 * A254723 A354212 A031631
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 07 2015
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)