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A254777 Number of (3+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
11677, 55196, 295516, 1667480, 10062375, 63224224, 399523689, 2516653715, 15940153378, 100822757319, 637477883084, 4029891955749, 25481923685643, 161106860957630, 1018615476900188, 6440151906907028, 40717797932804217 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A254775

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A223439 A223691 A254770 * A254723 A031631 A250923

Adjacent sequences:  A254774 A254775 A254776 * A254778 A254779 A254780

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2015

STATUS

approved

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Last modified January 29 05:09 EST 2022. Contains 350672 sequences. (Running on oeis4.)