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!)
A217244 Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than 6. 0
0, 7, 182, 22730, 10528984, 18932213525 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A217245

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

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

....0.2......2.0......1.1......1.0......2.2......1.0......0.1......1.3

...0.6.0....1.2.0....0.0.2....2.3.0....1.0.1....2.1.0....0.1.0....2.0.0

..0.1.1.0..0.3.1.0..1.2.1.0..0.1.2.1..0.0.2.1..1.0.4.1..0.4.2.0..0.0.1.1

CROSSREFS

Sequence in context: A158620 A217242 A217243 * A152436 A176338 A012843

Adjacent sequences:  A217241 A217242 A217243 * A217245 A217246 A217247

KEYWORD

nonn,hard,more

AUTHOR

R. H. Hardin Sep 28 2012

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 18 12:35 EDT 2021. Contains 347527 sequences. (Running on oeis4.)