login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A221233 Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, with no occupancy greater than 2 0
8, 6360, 1211716, 245539157, 50220166341, 10357727346177, 2143073423803342, 443873517219145108, 91950727852607387586, 19046356339122882057227, 3944664443163147115275632, 816879401520206867566005964 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A221234

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A079189 A278384 A114133 * A173190 A291879 A281450

Adjacent sequences:  A221230 A221231 A221232 * A221234 A221235 A221236

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 05 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 16 21:10 EDT 2019. Contains 328103 sequences. (Running on oeis4.)