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A254084 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
512, 37961, 9231485, 7181975282, 17184949015860, 130340161010554804, 3076463598348748891236, 227190805931348173384051212, 52565635830483236304261230301048, 38007489014178178530213754490084391696 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A254092
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..0....0..1..1..0....0..0..1..0....0..1..0..0....0..0..1..0
..1..1..1..1....1..1..0..1....1..1..1..1....1..0..1..0....1..1..1..0
..0..1..1..1....0..1..0..0....0..1..0..1....0..0..0..0....0..0..1..0
..1..1..1..0....1..1..0..1....0..1..0..0....0..0..1..1....0..0..1..1
CROSSREFS
Sequence in context: A253536 A254383 A253977 * A284033 A240933 A250567
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2015
STATUS
approved

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Last modified April 22 16:49 EDT 2024. Contains 371905 sequences. (Running on oeis4.)