A237781 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1764, 20522, 240288, 2839146, 33540636, 396698708, 4688253896, 55379334708, 654580668296, 7741754622456, 91493734872476, 1080761905629874, 12774590996582056, 151085741499264052, 1785565107362104448

Offset

1,1

Comments

Column 2 of A237785

Links

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

Example

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

Crossrefs

Sequence in context: A151769 A165678 A205912 * A205904 A061627 A232554

Adjacent sequences: A237778 A237779 A237780 * A237782 A237783 A237784

Keyword

nonn

Author

R. H. Hardin, Feb 13 2014

Status

approved