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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A209017 Number of nX6 0..3 arrays with no element equal the average of immediate neighbors vertically above, diagonally above and left, and horizontally left of it 1
972, 1901964, 3707858104, 7224768704460, 14081479775124768, 27444816617702590210, 53490209804089514438574, 104252853354306374638934760, 203189693440653459494447382012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A209019

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A183359 A203030 A209045 * A232409 A275060 A251837

Adjacent sequences:  A209014 A209015 A209016 * A209018 A209019 A209020

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 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 January 23 10:36 EST 2020. Contains 331171 sequences. (Running on oeis4.)