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A254252
Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
512, 14681, 268900, 2983064, 35691048, 325742026, 3756830312, 53130567141, 538163662362, 8068163879144, 153117743133240, 1493329979839859, 22285849665127808, 1767418588341588795, 9961527956307703614
OFFSET
1,1
COMMENTS
Diagonal of A254260
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..0....0..1..0..0....0..1..1..0....1..1..0..1....0..1..1..1
..1..1..1..1....1..0..0..0....1..1..1..0....1..1..0..1....1..1..1..1
..0..1..0..0....1..1..0..0....0..0..1..0....1..1..0..1....1..0..0..1
..0..0..1..1....1..1..0..1....1..1..0..0....1..0..0..0....1..1..1..0
CROSSREFS
Sequence in context: A253812 A256947 A254720 * A200791 A254812 A329894
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 27 2015
STATUS
approved