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A254892 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically 1
404672, 1662439, 8115610, 51232136, 112212755, 290329276, 758297009, 1538743336, 3144214353, 6262873752, 11542342124, 21147758655, 38139458456, 66602951730, 116033750607, 199967861523, 341342073822, 584866227788 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A254894

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..176

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..1..0..0....0..0..0..0..0..1..1..0....0..0..0..0..0..0..1..0

..0..0..0..0..0..0..1..0....0..0..0..0..1..1..0..1....0..0..1..1..1..1..1..1

..1..1..1..1..1..0..1..1....1..1..0..1..1..0..0..1....1..0..0..0..1..1..1..1

CROSSREFS

Sequence in context: A247305 A254025 A254018 * A204764 A252626 A237510

Adjacent sequences:  A254889 A254890 A254891 * A254893 A254894 A254895

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 10 2015

STATUS

approved

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Last modified September 19 22:06 EDT 2021. Contains 347576 sequences. (Running on oeis4.)