A237775 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

4480, 34738, 241036, 2255544, 21945828, 224887166, 2190136632, 22128390502, 219294978892, 2263239636542, 22181833888852, 224201209378826, 2226499586806600, 22921406632543048, 225237458530202824

Offset

1,1

Comments

Column 4 of A237779

Links

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

Example

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

Crossrefs

Sequence in context: A203938 A345181 A235890 * A179161 A139068 A232200

Adjacent sequences: A237772 A237773 A237774 * A237776 A237777 A237778

Keyword

nonn

Author

R. H. Hardin, Feb 13 2014

Status

approved