A237726 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

6610, 86010, 1145290, 15828110, 213127880, 2855466356, 38540080508, 526083461626, 7105289200594, 95708446038402, 1294310219994414, 17574138476232396, 237569759122864504, 3207622648771968754

Offset

1,1

Comments

Column 4 of A237730

Links

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

Example

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

Crossrefs

Sequence in context: A290281 A178213 A237320 * A345561 A345816 A250539

Adjacent sequences: A237723 A237724 A237725 * A237727 A237728 A237729

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved