login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A206412 Number of (n+1) X 7 0..2 arrays with every 2 X 3 or 3 X 2 subblock having an equal number of clockwise and counterclockwise edge increases. 1
600519, 181467207, 56515649709, 17769571483479, 5607670598448153, 1772313933215113017, 560493388205613135219, 177302245070698531560585, 56092636774114046549483283, 17746700710940391048253081503 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206414.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..44

EXAMPLE

Some solutions for n=4:

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

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

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

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

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

CROSSREFS

Sequence in context: A106779 A106780 A304000 * A235257 A185928 A270262

Adjacent sequences:  A206409 A206410 A206411 * A206413 A206414 A206415

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 24 09:10 EDT 2021. Contains 347630 sequences. (Running on oeis4.)