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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A206751 Number of (n+1) X 8 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases. 0
114566336, 222273709440, 449274384195312, 920635927293402816, 1897470427514439403464, 3920972890172486310882016 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A206752.

LINKS

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

EXAMPLE

Some solutions for n=4:

..1..2..1..1..0..2..0..3....1..0..0..0..0..3..1..2....0..3..1..2..1..1..1..2

..0..1..1..2..1..3..1..0....1..0..1..0..1..0..3..1....2..0..3..0..3..1..0..1

..1..0..1..2..1..1..0..0....1..0..0..1..0..0..3..1....2..0..3..3..1..2..1..3

..1..0..0..1..1..1..0..0....0..1..1..3..1..0..3..1....1..3..1..1..0..1..0..2

..3..1..0..0..1..0..1..0....1..3..3..1..1..1..0..3....1..3..3..3..1..2..1..0

CROSSREFS

Sequence in context: A205169 A112018 A216010 * A206062 A157770 A195282

Adjacent sequences: A206748 A206749 A206750 * A206752 A206753 A206754

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2012

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 31 11:12 EST 2023. Contains 359971 sequences. (Running on oeis4.)