A237328 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

5120, 45996, 414268, 3988852, 36921568, 342809906, 3194951224, 31126440590, 290583883424, 2718308070358, 25526745822304, 251264218067140, 2361096895787828, 22217145196965248, 209833485159030416

Offset

1,1

Comments

Column 4 of A237332

Links

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

Example

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

Crossrefs

Sequence in context: A259425 A195653 A187030 * A186968 A195648 A252919

Adjacent sequences: A237325 A237326 A237327 * A237329 A237330 A237331

Keyword

nonn

Author

R. H. Hardin, Feb 06 2014

Status

approved