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A253864
Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
512, 31632, 3939840, 1052857184, 633276761856, 896906647300128, 2875255935248467200, 21455396352019560697376, 370924232864752698632296192, 14893383155687607471120823056160, 1383367306744696268677387801027845376
OFFSET
1,1
COMMENTS
Diagonal of A253871
LINKS
EXAMPLE
Some solutions for n=2
..1..1..1..1....1..1..1..1....1..1..1..1....0..0..1..0....0..1..0..0
..1..0..0..1....1..1..0..0....1..0..0..1....1..1..0..0....1..0..1..0
..0..0..1..0....0..0..1..1....0..1..0..0....0..1..1..1....1..0..0..1
..1..0..0..1....0..1..0..0....0..1..0..1....0..0..1..1....1..0..0..1
CROSSREFS
Sequence in context: A254160 A254450 A254484 * A308815 A253536 A254383
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2015
STATUS
approved