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!)
A222678 Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order 0
17, 359, 6463, 687222, 20997839, 3254033272, 169563633880, 40055385632924, 2635079897572698, 708119862583697101, 48390899167019147315 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A222679

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A081421 A121824 A120287 * A293691 A002197 A070148

Adjacent sequences:  A222675 A222676 A222677 * A222679 A222680 A222681

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 28 2013

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 October 1 03:21 EDT 2020. Contains 337441 sequences. (Running on oeis4.)