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A237697
Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1
310, 1524, 7562, 39236, 201754, 1033140, 5302002, 27377802, 140907656, 723464076, 3719653604, 19172131806, 98659238520, 507065229134, 2608372320890, 13432072024666, 69112775082390, 355397881712346, 1828490598631476
OFFSET
1,1
COMMENTS
Column 2 of A237703
LINKS
EXAMPLE
Some solutions for n=4
..0..0..2....0..1..1....1..2..1....2..2..1....2..0..0....2..0..1....1..1..0
..1..2..0....0..1..0....2..1..0....2..1..2....0..1..1....1..0..1....0..0..2
..1..1..2....1..1..2....0..1..1....2..1..1....2..1..1....2..1..1....1..0..0
..1..0..1....0..2..1....2..2..1....1..0..1....2..0..2....0..2..1....0..1..0
..1..2..2....1..0..1....2..1..2....2..2..1....2..2..1....0..2..0....1..1..0
CROSSREFS
Sequence in context: A304384 A206233 A254972 * A218103 A289304 A281568
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2014
STATUS
approved