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!)
A275564 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,0) (-1,2) or (0,-2) and new values introduced in order 0..2. 1
48, 2592, 3552, 23712, 138600, 867456, 5360184, 33275880, 206892990, 1286374716, 7998368250, 49754459556, 309431155980, 1924683955344, 11971565665080, 74462297454048, 463161757751784, 2880875453047152, 17919172630925406 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A275565.
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..2..2..1..1. .0..0..1..1..0..0..2. .0..1..2..0..0..2..1
..2..0..1..2..2..0..0. .0..0..2..2..0..0..2. .0..1..1..0..2..2..0
..2..0..0..1..1..2..0. .1..1..2..2..1..1..0. .2..2..0..1..1..0..2
..1..2..0..0..1..1..2. .1..1..0..0..2..2..1. .1..0..2..2..0..1..2
CROSSREFS
Cf. A275565.
Sequence in context: A206046 A079240 A360904 * A275089 A235903 A208442
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 01 2016
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 March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)