login
The OEIS is supported by the many generous donors to the OEIS 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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A221753 Number of nX6 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out straight through or left turns 0
1, 64, 736, 16715, 311288, 6168942, 122732982, 2429844368, 48285624377, 958570609399 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A221755
LINKS
EXAMPLE
Some solutions for n=3
..0..2..1..0..1..2....0..2..1..1..1..1....0..2..1..2..1..1....0..2..0..2..0..1
..1..2..1..0..1..1....1..2..1..1..0..1....1..1..1..0..1..1....1..1..2..1..2..0
..1..1..1..1..2..0....1..0..2..1..2..0....1..1..1..1..2..0....2..0..1..1..1..1
CROSSREFS
Sequence in context: A357391 A108538 A195593 * A055867 A304346 A316217
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 24 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 10 19:24 EST 2023. Contains 367717 sequences. (Running on oeis4.)