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!)
A205985 Number of (n+1)X8 0..2 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases 1
1643538, 2482596, 6296976, 35107968, 279003648, 2260666464, 19410499584, 160992300384, 1323215405568, 11406249937152, 94660267282560, 778050772950528, 6706874963045376, 55660237162145280, 457493854494910464 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A205986

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 588*a(n-3) for n>12

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A255042 A255035 A256953 * A258953 A342429 A144127

Adjacent sequences:  A205982 A205983 A205984 * A205986 A205987 A205988

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 02 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 May 21 00:36 EDT 2022. Contains 353886 sequences. (Running on oeis4.)