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A237328 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
5120, 45996, 414268, 3988852, 36921568, 342809906, 3194951224, 31126440590, 290583883424, 2718308070358, 25526745822304, 251264218067140, 2361096895787828, 22217145196965248, 209833485159030416 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237332

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A259425 A195653 A187030 * A186968 A195648 A252919

Adjacent sequences:  A237325 A237326 A237327 * A237329 A237330 A237331

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2014

STATUS

approved

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Last modified August 16 14:26 EDT 2022. Contains 356168 sequences. (Running on oeis4.)