A237732 Number of (n+2)X(2+2) 0..2 arrays with the (lower) medians of each row and column unequal to its neighbors

54984, 2496240, 109504800, 5108851584, 212153261712, 9731801668120, 407773528420896, 18180758816258640

Offset

1,1

Comments

Column 2 of A237733

Links

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

Example

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

Crossrefs

Sequence in context: A235104 A205997 A091536 * A251164 A253148 A204776

Adjacent sequences: A237729 A237730 A237731 * A237733 A237734 A237735

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved