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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A253863

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..46

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

Adjacent sequences:  A253859 A253860 A253861 * A253863 A253864 A253865

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2015

STATUS

approved

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Last modified August 13 22:39 EDT 2022. Contains 356109 sequences. (Running on oeis4.)