A237787 Number of (n+1)X(2+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1902, 26230, 367726, 5195344, 73170922, 1029281994, 14489762434, 204068007444, 2873241939356, 40449727138522, 569502983806472, 8018543062571802, 112896834642809590, 1589503574124427514, 22379268785330234876

Offset

1,1

Comments

Column 2 of A237791

Links

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

Example

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

Crossrefs

Sequence in context: A177137 A273913 A190651 * A190653 A124628 A253364

Adjacent sequences: A237784 A237785 A237786 * A237788 A237789 A237790

Keyword

nonn

Author

R. H. Hardin, Feb 13 2014

Status

approved