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A237726 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
6610, 86010, 1145290, 15828110, 213127880, 2855466356, 38540080508, 526083461626, 7105289200594, 95708446038402, 1294310219994414, 17574138476232396, 237569759122864504, 3207622648771968754 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237730

LINKS

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

EXAMPLE

Some solutions for n=2

..2..2..0..1..0....1..0..0..0..1....1..0..0..0..1....2..1..0..0..1

..2..1..0..1..1....2..1..0..2..2....0..1..2..2..0....1..2..1..2..1

..2..1..0..2..1....1..2..1..2..2....0..0..1..0..2....1..1..2..2..0

CROSSREFS

Sequence in context: A290281 A178213 A237320 * A345561 A345816 A250539

Adjacent sequences:  A237723 A237724 A237725 * A237727 A237728 A237729

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2014

STATUS

approved

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Last modified August 12 10:16 EDT 2022. Contains 356069 sequences. (Running on oeis4.)