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!)
A206185 Number of (n+1) X 6 0..3 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors. 1
986388, 30417316, 2674444796, 364197868292, 51975660472496, 7481908870312588, 1078848431799509828, 155633082985105845972, 22454117874107278681104, 3239703783044424175654576, 467432771562040406990065172 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A206188.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..49

EXAMPLE

Some solutions for n=4:

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

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

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

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

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

CROSSREFS

Sequence in context: A250859 A251450 A205656 * A205367 A328288 A328287

Adjacent sequences:  A206182 A206183 A206184 * A206186 A206187 A206188

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 04 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 February 18 09:39 EST 2020. Contains 332011 sequences. (Running on oeis4.)