login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A222164 Number of (n+6)X1 arrays of occupancy after each element moves up to +-6 places but not 0 and without 2-loops 0
1583, 6075, 22955, 87009, 331273, 1265044, 4836758, 18497653 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A222165

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

..0....2....0....0....2....0....4....0....3....2....1....1....0....0....0....2

..1....0....1....4....1....0....1....1....0....3....0....1....1....2....0....1

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

..2....0....3....0....1....3....0....0....4....0....0....5....0....0....3....0

CROSSREFS

Sequence in context: A216064 A182409 A224944 * A242539 A224945 A306313

Adjacent sequences:  A222161 A222162 A222163 * A222165 A222166 A222167

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 10 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 September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)