A237760 Number of (n+2)X(1+2) 0..2 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors

852, 18816, 398808, 7182984, 176193480, 3014075496, 70525670856, 1196322548712, 26355841939080, 447929441392296, 9399156411204936, 160373796222714984, 3242827170128429064, 55544502731499455016, 1091949080743963036872

Offset

1,1

Comments

Column 1 of A237762

Links

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

Example

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

Crossrefs

Sequence in context: A252276 A237762 A237763 * A234539 A251148 A127593

Adjacent sequences: A237757 A237758 A237759 * A237761 A237762 A237763

Keyword

nonn

Author

R. H. Hardin, Feb 12 2014

Status

approved