A237731 Number of (n+2)X(1+2) 0..2 arrays with the (lower) medians of each row and column unequal to its neighbors

3792, 54984, 1029888, 15953344, 274387488, 4405125168, 72614463072, 1191889517856, 19168682511648, 319420828979856, 5057452566770208, 85201863532616544, 1334977464991925280, 22675972581579592704

Offset

1,1

Comments

Column 1 of A237733

Links

R. H. Hardin, Table of n, a(n) for n = 1..16

Example

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

Crossrefs

Sequence in context: A107539 A046837 A237733 * A232381 A109183 A284872

Adjacent sequences: A237728 A237729 A237730 * A237732 A237733 A237734

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved