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!)
A221601 Number of nX3 arrays of occupancy after each element moves to some king-move neighbor, without move-in move-out left turns 1
2, 140, 4656, 154886, 5151998, 171049120, 5677948938, 188450054011, 6254325771044, 207566300235783, 6888593198993242, 228614249447935042, 7587098694519299516, 251795554672602293612, 8356421637843385136719 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A221602

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..69

EXAMPLE

Some solutions for n=3

..1..2..0....1..4..1....1..1..0....0..1..1....1..1..1....2..2..0....1..0..1

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

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

CROSSREFS

Sequence in context: A140898 A220513 A120814 * A334013 A115890 A356747

Adjacent sequences: A221598 A221599 A221600 * A221602 A221603 A221604

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 20 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 February 4 19:02 EST 2023. Contains 360059 sequences. (Running on oeis4.)