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A253359
Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally and vertically
1
152, 424, 2992, 8904, 76840, 520888, 3424264, 51091912, 419412744, 7851859992, 129001341576, 2610211824392, 74937102784072, 2289774714913976, 95246926549138760, 4450320900209044904, 292794743504841115272
OFFSET
1,1
COMMENTS
Diagonal of A253367
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..0..0..1....0..1..1..0..1..1....0..0..0..0..1..0....1..1..1..0..1..0
..1..0..1..0..1..1....0..1..1..1..0..1....0..1..0..1..0..0....0..1..1..1..1..1
..0..0..0..0..0..1....1..0..1..0..1..1....0..0..0..0..1..0....1..0..1..0..1..0
..1..0..1..0..1..0....1..1..1..1..0..1....0..1..0..1..0..0....1..1..1..1..1..1
..0..1..0..0..0..1....1..0..1..0..1..1....0..0..0..0..0..0....1..0..1..0..1..1
..0..0..1..0..1..0....0..1..0..1..0..0....0..1..0..1..0..1....0..1..1..1..0..1
CROSSREFS
Sequence in context: A038857 A137632 A259740 * A226365 A085775 A208492
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2014
STATUS
approved