A206753 - OEIS

A206753

Number of (n+1)X(n+1) 0..2 arrays with every 2X3 or 3X2 subblock having no more than three equal edges, and new values 0..2 introduced in row major order

14, 2187, 2668146, 22816914744, 1369877126104389, 578960195790179305672

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

OFFSET

1,1

COMMENTS

Diagonal of A206761

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A233076 A134814 A258487 * A279577 A015515 A183580

Adjacent sequences: A206750 A206751 A206752 * A206754 A206755 A206756

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 12 2012

STATUS

approved