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A238033 Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row and column unequal to its neighbors 1
122, 1004, 6218, 57540, 305978, 3010316, 14910890, 152094052, 724320722, 7559479508, 35151249002, 372487228468, 1705834157786, 18265051952972, 82815310705706, 893143327522980, 4023089695733666, 43605467765614964 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A238037

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..41

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Sequence in context: A173267 A229722 A092775 * A275181 A275129 A281060

Adjacent sequences:  A238030 A238031 A238032 * A238034 A238035 A238036

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 2014

STATUS

approved

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Last modified January 24 19:03 EST 2022. Contains 350565 sequences. (Running on oeis4.)