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A253862
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically
1
20872192, 1698464064, 118920758784, 8790291559808, 612253982192000, 43112542683771520, 3019741030360821632, 211665067386720117888, 14806506494623373426048, 1037768836282199713546368
OFFSET
1,1
COMMENTS
Column 7 of A253863
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..1
..1..1..1..1..0..1..0..1..0....0..0..1..1..1..1..1..0..0
..1..1..1..0..1..1..0..1..0....1..0..0..0..0..1..1..1..1
CROSSREFS
Sequence in context: A356071 A254497 A254490 * A172729 A174115 A189123
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 17 2015
STATUS
approved