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A254778 Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
48168, 250996, 1901784, 14533460, 115699004, 969478476, 8014352106, 65635347133, 541683662694, 4463167975079, 36755727286403, 302706859645503, 2494423310524461, 20547912267892415, 169289368783263867 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A254775

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

CROSSREFS

Sequence in context: A203547 A156117 A254771 * A254724 A186592 A221556

Adjacent sequences:  A254775 A254776 A254777 * A254779 A254780 A254781

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2015

STATUS

approved

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Last modified January 24 21:08 EST 2022. Contains 350565 sequences. (Running on oeis4.)