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!)
A221239 Number of nX5 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops 0
0, 3913, 2217402, 1130617545, 543708183481, 258758829845879, 122696503196445552, 58120801668253857554 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A221240

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

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

..0..2..2..3..3....0..5..1..3..1....0..3..2..2..3....0..2..2..3..0

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

CROSSREFS

Sequence in context: A022212 A131409 A209732 * A136459 A235315 A229642

Adjacent sequences:  A221236 A221237 A221238 * A221240 A221241 A221242

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 06 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 January 23 11:42 EST 2022. Contains 350512 sequences. (Running on oeis4.)