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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.

4700, 39236, 333508, 3004030, 26578184, 236841050, 2109752772, 18967505282, 169027123272, 1509396722124, 13489906100708, 120997556161304, 1080200848895788, 9651096798463826, 86312065065972436, 773073801408693908

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 4 of A237703

LINKS

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

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