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A237549
Number of (n+1)X(n+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
0
81, 1668, 60002, 3207808, 501667350, 184415543478, 177367882314550, 366119804483636046, 1978497544874844832642, 25098928376580088624364564, 821453000361180626304440936512
OFFSET
1,1
COMMENTS
Diagonal of A237557
EXAMPLE
Some solutions for n=3
..2..2..0..0....1..1..2..0....2..1..1..0....1..0..0..0....1..0..0..2
..2..1..0..2....1..0..1..2....1..2..1..0....0..0..0..1....2..0..0..1
..1..0..1..1....2..1..0..0....0..1..2..0....2..0..1..0....2..0..1..0
..0..1..2..2....2..0..2..0....1..1..1..2....1..1..0..0....0..1..0..2
CROSSREFS
Sequence in context: A096302 A297681 A237404 * A107914 A050634 A065791
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 09 2014
STATUS
approved