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A237699
Number of (n+1)X(4+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
4700, 39236, 333508, 3004030, 26578184, 236841050, 2109752772, 18967505282, 169027123272, 1509396722124, 13489906100708, 120997556161304, 1080200848895788, 9651096798463826, 86312065065972436, 773073801408693908
OFFSET
1,1
COMMENTS
Column 4 of A237703
LINKS
EXAMPLE
Some solutions for n=2
..2..1..1..0..2....0..0..1..1..2....2..1..0..1..1....0..1..0..1..0
..1..0..1..0..1....0..2..0..2..0....1..1..1..0..1....2..0..1..1..2
..0..2..1..1..0....0..1..1..2..2....1..0..0..0..1....2..0..2..1..2
CROSSREFS
Sequence in context: A114542 A114568 A251135 * A235022 A223246 A330836
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2014
STATUS
approved