A237775 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

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

(list; graph; refs; listen; history; text; internal format)

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: A345181 A375938 A235890 * A179161 A139068 A232200

Adjacent sequences: A237772 A237773 A237774 * A237776 A237777 A237778

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2014

STATUS

approved