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!)
A205429 Number of (n+1)X7 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order 0
609086, 160862398, 55445403092, 19790583241516, 7075689720463554 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A205431
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..0....0..1..0..0..0..0..0....0..1..2..3..3..3..0
..0..0..1..2..0..0..1....1..1..2..0..0..3..2....0..1..1..3..1..0..1
..0..3..2..0..2..0..3....0..0..1..1..0..3..3....2..0..3..2..1..1..0
..3..0..3..0..0..2..0....0..0..1..0..1..0..2....2..0..0..1..2..3..1
..3..3..0..2..1..0..2....1..1..1..3..0..1..0....1..2..1..0..2..2..1
CROSSREFS
Sequence in context: A218107 A274173 A206175 * A308279 A195281 A235069
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 27 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 March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)