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A254396 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
36317408, 7273310228, 1521733260456, 284691702793848, 56193335758798104, 11088064556797882883, 2165666188993340904078, 425070478163595626887565, 83410123665948575384046056, 16352557115211104772510944008 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A254390
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..0..0....0..0..0....1..0..0....1..0..0....0..0..0....1..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..1..0....0..1..0....0..1..0....0..1..0
..0..0..1....1..0..0....0..0..1....1..0..1....1..0..0....0..0..1....1..0..1
..1..1..1....1..0..0....1..0..1....1..1..1....1..1..1....1..0..1....1..1..1
..1..0..0....1..0..0....1..0..1....1..1..1....0..0..0....1..0..1....0..0..1
..0..1..0....1..1..0....0..0..0....0..0..0....1..1..0....0..1..1....0..1..1
..0..1..1....0..0..1....0..1..1....0..1..1....1..1..1....1..1..1....0..1..0
..0..1..0....1..1..0....1..1..0....0..1..0....1..0..1....0..0..0....1..1..1
CROSSREFS
Sequence in context: A105296 A362964 A254389 * A253984 A081641 A251372
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2015
STATUS
approved

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Last modified February 29 07:23 EST 2024. Contains 370414 sequences. (Running on oeis4.)