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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A206325 Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases 1
5432884, 1377662868, 507368863264, 192331317667804, 73493501930345884, 28153923918860656368, 10794194502778261468304, 4139628382451870628262520, 1587705875694898193873275576, 608959968033447679700747202336 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A206327

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A029822 A263214 A125832 * A203549 A230793 A263197

Adjacent sequences:  A206322 A206323 A206324 * A206326 A206327 A206328

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 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 December 5 03:33 EST 2021. Contains 349530 sequences. (Running on oeis4.)