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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
OFFSET
1,1
COMMENTS
Diagonal of A254457
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 30 2015
STATUS
approved