A237746 Number of (n+2)X(1+2) 0..3 arrays with the (lower) medians of each row and column unequal to its neighbors

76784, 3160428, 144512160, 6244498728, 273236788672, 12048369507756, 525166470792288, 23370212812762424

Offset

1,1

Comments

Column 1 of A237747

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for n=1
..3..0..0....1..0..2....2..3..2....2..3..2....2..1..2....2..1..2....3..1..2
..1..0..1....0..0..0....2..0..1....1..3..3....0..2..0....0..1..2....3..3..0
..1..3..3....3..0..1....2..3..3....0..1..1....0..3..1....3..2..0....3..2..1

Crossrefs

Sequence in context: A258606 A152498 A237747 * A254171 A254164 A254453

Adjacent sequences: A237743 A237744 A237745 * A237747 A237748 A237749

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved