A186213 - OEIS

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

A186213

Number of (n+1)X4 0..2 arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant

609, 18873, 308593, 6275745, 116461359, 2259545215, 43035959317, 826432933951, 15812881574729, 303053537534437, 5803938965263449, 111189559377323685, 2129829613338983271, 40799287763726714069, 781535113579919280543

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

OFFSET

1,1

COMMENTS

Column 3 of A186218

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X4

..2..2..1..0....0..1..1..0....1..1..0..0....2..0..0..2....1..0..1..0

..0..0..0..0....2..2..0..0....1..1..0..2....0..0..0..0....2..0..2..0

..1..0..1..2....1..1..0..0....0..0..0..0....2..0..2..0....1..0..2..0

CROSSREFS

Sequence in context: A172344 A187421 A296825 * A246880 A027514 A246881

Adjacent sequences: A186210 A186211 A186212 * A186214 A186215 A186216

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 15 2011

STATUS

approved