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A253963 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
16544, 148332, 1501724, 15946360, 167174472, 1776422573, 18766879524, 200052924697, 2120928268556, 22563627780321, 239316890622432, 2543377016374825, 26985242829750688, 286617838915627817 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A253961

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A170779 A251903 A253956 * A253759 A091089 A109028

Adjacent sequences:  A253960 A253961 A253962 * A253964 A253965 A253966

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2015

STATUS

approved

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)