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 A254450 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically 1
 512, 26380, 2085712, 275772848, 71814202464, 37859718002056, 41728495959588032, 96370792918403418032, 471658574277826549969856, 4899488261874299641047185592, 107824890536438862557050692197760 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A254457 LINKS EXAMPLE Some solutions for n=2 ..0..1..0..0....0..0..0..0....1..0..1..0....1..1..1..1....0..0..1..1 ..1..1..1..0....0..1..1..1....0..1..0..1....0..0..1..1....0..1..1..1 ..0..0..0..0....1..1..0..1....0..0..0..0....1..1..1..0....1..1..1..1 ..0..1..1..1....1..0..1..1....0..1..0..0....1..0..1..1....0..0..0..0 CROSSREFS Sequence in context: A253756 A250496 A254160 * A254484 A253864 A308815 Adjacent sequences:  A254447 A254448 A254449 * A254451 A254452 A254453 KEYWORD nonn AUTHOR R. H. Hardin, Jan 30 2015 STATUS approved

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Last modified August 11 00:55 EDT 2022. Contains 356046 sequences. (Running on oeis4.)