A237866 Number of (n+1)X(6+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

107272, 2385956, 55582616, 1360467556, 31199205700, 726581268166, 17294230106544, 415902349829102, 9695376441265920, 227751536306356010, 5413153557708303316, 128972134031199811494, 3027744338091291704100

Offset

1,1

Comments

Column 6 of A237868

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

Some solutions for n=1
..1..1..2..1..2..2..0....1..1..2..1..1..2..2....2..0..0..0..1..1..0
..2..1..0..0..1..2..0....2..1..0..0..2..2..0....1..0..2..1..2..1..2

Crossrefs

Sequence in context: A228268 A215783 A061332 * A204875 A158964 A248446

Adjacent sequences: A237863 A237864 A237865 * A237867 A237868 A237869

Keyword

nonn

Author

R. H. Hardin, Feb 14 2014

Status

approved